How do I start appraising in Probably Stolen?
Wait for the Appraiser Board member's visit and join the board, then put the Appraisal Board Junior Certificate in your display case. Customers with [Appraisal Item] goods will start coming in.
Probably Stolen appraisal starts when a member of the Appraiser Board visits your store and invites you to join. Once you join and put the Appraisal Board Junior Certificate in your display case, customers bring items for you to value, and you price them with the matching appraisal guide. Spotting fakes is a separate job: you use a Magnifying Glass on a Food Stamp, an Immunivax Injector or a pack of Hemingway Cigarettes and compare it with that item's handbook.
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| Field | Value |
|---|---|
| Getting started | Join the Appraiser Board when its member visits, then display the Appraisal Board Junior Certificate. Source: In-game dialogue and item description. |
| Appraisal pay | A base service fee plus a bonus based on how precise your estimate is. Source: The mentor's note and the appraisal slip. |
| Appraisal guides | Ribwich, Plasma Cartridge and Cybernetic Hand. Source: The in-game guides. |
| Authenticity handbooks | Food Stamps, Immunivax Injectors and Hemingway Cigarettes. Source: The in-game handbooks. |
| Checking an item | Use a Magnifying Glass on an inspectable item to open the Inspection Tray. Source: The mentor's note. |
| Confronting a seller | One issue is enough if the item is fake; a wrong accusation loses Reputation. Source: The mentor's note and in-game help text. |
| Labels | The Labeler edits an item's label; the Blue Labeler renames an item. Source: Item descriptions. |
| Who spots fakes | Most workers, Security Officers and Lower Levels citizens; tourists and Upper Levels citizens much less. Source: The mentor's note. |
The invitation. Early on, a member of the Appraiser Board comes to your store. They explain that some items have a complex pricing structure and that the Board helps customers find the exact value, then ask if you want to join as an Appraiser. You can join for an entry fee, decline, or ask them to come back later; if you ask, they return a few days later and ask again. When you join, they hand over the training material and start sending customers your way.
Getting customers. The Appraisal Board Junior Certificate brings in customers who need appraisal when you place it in your display case. Items they bring are marked [Appraisal Item]. Players report that appraisal customers are rare and that the certificate competes with your other display signs for the day's walk-in customers, so a display case full of signs means fewer appraisals.
How you are paid. The mentor's note says you get a base service fee plus a bonus based on the precision of your appraisal. After each job you get an Appraisal Slip that shows the fee you received, its percentage and the base fee, and grades the job Perfect, Excellent, Good, Mediocre or Awful. Players report that the percentage is taken from the estimate you send, not from the true value, and that it is higher the closer you are. That does not mean you can name any price: if your estimate is far off, the customer tells you it is "way too high" or "way too low", and if you keep missing they lose patience ("I'm out."). The official FAQ adds that slips only tell you how well you did and can be thrown away.
Promotion. In the demo you stay a Junior appraiser. The mentor's note says you "will be able to pass appraisal examinations and receive a certification that will improve your base service fee and unlock new item types", and the developer's September 4, 2026 update lists progression for the appraisal guild as planned work after the demo.
The Steam page sums up why it matters: rare items need proper appraisal to avoid overpaying.
The Ribwich (Packaged Rib Sandwich) is a discontinued limited-edition sandwich from Davre with a cult following. The Ribwich Appraisal Guide works as a list of checks: if a check below fails, the Ribwich is counterfeit. A Ribwich also has a minimum value it never drops below, and if its plastic packaging is missing, torn open or counterfeit, it is worth exactly that minimum, whatever else is true of it.
The guide starts every Ribwich at 150 Credits; none can be worth less than 40 Credits, and one with missing, torn-open or counterfeit packaging is worth exactly 40 Credits.
What raises or lowers the value. First-run Ribwiches were made with better material and are worth more. Ribwiches from the very first month (01/425) and the very last month (12/438) are worth more for historical reasons. A high-quality facility adds value and a low-quality one takes it away. A valid Deluxe Edition is worth more again, and a valid double-patty Ribwich, made when Davre's packing machine malfunctioned and usually destroyed by quality control, is the rarest find of all. The guide gives the exact Credits for each of these.
The Ribwich guide's figures:
Plasma Cartridges are the standard fuel of the Pulse Plasma Drive. Their value comes from three things, and a cartridge has a minimum value it can't drop below.
The guide's own worked examples:
Cybernetic Hands are the first official appraisal requests many players get. The Cybernetic Hand Appraisal Guide scores five things, and a hand also has a minimum value:
The guide's own worked examples:
The game marks some items as inspectable. Three of them are authenticity checks with their own handbook: Food Stamps, Immunivax Injectors and Hemingway Cigarettes. Your mentor introduces the system with a shipment of counterfeit cigarettes and a Magnifying Glass.
How a check works. Use the Magnifying Glass on an inspectable item to open the Inspection Tray, the Counterfeit Check panel. Compare what you see with the handbook. If you find a problem, pick the matching issue at the bottom of the panel (lettering, logo, colour, seal, value, chip, indicator, label, serial number or body, depending on the item) and confront the customer.
Check before you buy. Counterfeit isn't the only problem: a genuine Food Stamp with a damaged chip, or a genuine Immunivax Injector from a recalled batch, is still unusable.
Food Stamps are part of a social program for eligible Lower Levels citizens. You redeem them at the Commissary to buy food. Because they only buy food, the mentor's note says they are often traded below their value for Credits, and some are forged and sold to people who only find out when the stamp fails to redeem. The Welfare Program starting perk opens the Commissary from the start and may give you Food Stamps on Mondays, depending on your total wealth. Players report that most other stamps come from Scavenger sellers, and that which sellers bring them is random.
The Republic Food Stamp Authenticity Handbook checks five things:
The handbook ends with a reminder that the differences should be obvious at a glance. Players report that a fake can come down to a single letter in the wrong font, so look at each word.
The Immunivax Injector is a high-precision immuno-regulator that holds back Sentinel's Collapse. It matters most if you take the Sentinel Collapse Disorder perk: you start with one injector and must take one every week, and skipping too many ends the run.
The Immunivax Injector User Handbook separates three problems: a counterfeit (label problems), a genuine injector that is unusable (a recalled batch or a cracked body), and one that is expired or empty (the indicator). It checks five things:
Getting the handbook. It comes with the item name Immunivax Assessment Guide. The developers' August 2026 beta notes added it to the Skip Intro start, and since their September 17, 2026 patch notes Dr. Jackson restocks it, including on a Rock Bottom start.
Counterfeit Hemingway Cigarettes are common on the station, and the handbook warns that their value, like their quality, is far lower than a genuine pack. The Hemingway Cigarette Authenticity Handbook checks four things:
As with Food Stamps, the handbook says the differences should be obvious at a glance. Georgio, who also turns up in our radioactive waste guide, has his own lines when you call out a pack of cigarettes, from "Ah, Georgio didn't know about this" to "Georgio will lower the price."
Some items carry a label you can edit. The Steam page lists it among the things you can do: relabel counterfeit products as genuine. The mentor's own example is labelling a counterfeit box of cigarettes as genuine to raise its price.
Who will catch you. The mentor's note is blunt: most workers, Security Officers and Lower Levels citizens know the common frauds, so the scam fails and costs you Reputation. Scavengers know them too but often don't carry the equipment to test. Tourists and Upper Levels citizens are generally less aware. "But sooner or later, people will find out." The in-game help adds that if you are caught selling an item worth less than its label, your Reputation may take a hit. Players report that the trouble doesn't always come the same day; one player selling relabeled water heard nothing until the next morning. Water has its own grades and buyers; see selling water without getting caught.
This page describes the free demo before the update the developers announced for October 19, 2026. Several details are still open: the exact appraisal fees, entry fee and accuracy bands, which are not readable as text in the demo's files; the colours drawn inside the handbooks, such as the Immunivax indicator and correct main colours; whether the plain Labeler is the red one players describe; how often appraisal customers come; and what the full release adds, since the developers keep adding appraisal and inspectable items.
The October 19 demo update triggers a recheck of the guides, handbooks and item descriptions on this page, and the full release on October 28, 2026 triggers a recheck of everything. Changes are made on this page, with the date they were checked.
Wait for the Appraiser Board member's visit and join the board, then put the Appraisal Board Junior Certificate in your display case. Customers with [Appraisal Item] goods will start coming in.
It adds a second income: a base fee plus a bonus for accurate estimates. If you are not ready, ask the member to come back later and they return a few days after.
Players report that appraisal customers are rare and compete with your other display signs. Keep the certificate in the display case and don't crowd it with signs.
They show the fee you received and how accurate you were. The official FAQ says you can throw them away after reading.
Not in the demo. The mentor's note describes certification exams in the future tense, and the developer lists appraisal progression as work planned after the demo.
Check the lettering, the logo, the security seal, the printed value and the chip against the Republic Food Stamp Authenticity Handbook. A damaged chip makes even a genuine stamp unusable.
They are redeemed at the Commissary to buy food. A forged stamp only shows itself when it fails to redeem, so check it before you pay.
The handbook treats an injector from a recalled batch as unusable, the same as a cracked one. A buyer who checks will call it out.
Check the lettering, the logo, the colour against the Hemingway Color Checker and the security seal. A pack without an intact seal is counterfeit.
You lose Reputation and the customer may take their business elsewhere. One clear issue is enough when the item really is fake.
It renames an item; its description is "Used to rename an item." It doesn't change what the label claims. That is the plain Labeler's job.
Most workers, Security Officers and Lower Levels citizens. Scavengers often lack the equipment to test, and tourists and Upper Levels citizens are generally less aware.
Dr. Jackson restocks the Immunivax handbook since the September 17, 2026 patch notes. Players report that other guides can be bought back from him too, except the Aug guide.
Sources and version history for this guide: Probably Stolen sources and versions.
Spot an error or a post-patch change? See how we label evidence and handle corrections in the Editorial Policy.