Specimen banknote auctions: SPECIMEN-overprinted trial notes, searched at once

Specimen notes, produced by printers and central banks with a SPECIMEN overprint (and usually all-zero serial numbers) to show new designs to banks, government officials, or note-detection reference libraries, were never meant to circulate, and issuers destroyed most of them once superseded, leaving surviving examples genuinely scarce for many series and countries.

Why specimen note lots get missed

Specimen notes look unusual enough that a general seller sometimes assumes they're worthless novelty items rather than genuine reference issues, and lists them cheaply or lumped in with other paper ephemera, exactly the kind of listing a specialist search catches and a casual browse misses.

One search across every platform: including a numismatic specialist

Auction Bid Assistant's free browser extension searches the-saleroom, EasyLive, Bidspotter, Invaluable, NumisBids, iCollector and LiveAuctionWorld simultaneously, alongside eBay. NumisBids is itself a platform dedicated entirely to coin and banknote auctions worldwide, so a single search here already reaches specialist numismatic sales as well as the general auction houses where mis-catalogued lots hide. Search "specimen note," a bank or country name, or "SPECIMEN banknote" and results return across all of them, with images, estimates, current bids where shown, and sale countdowns, sorted by platform in tabs.

Real results for "specimen banknote": genuine SPECIMEN-overprinted notes from Northern Bank and the Royal Bank of Scotland, found in one search.

It works by searching from inside your own browser, the same as opening and searching each site yourself, just done in seconds. Nothing is stored on our servers, permissions are minimal, and the extension never places a bid on your behalf.

Alerts: for a scarce and easily overlooked field

Because so many specimens were destroyed once superseded, save a search (a bank or country name, or "specimen banknote" generally) and get emailed the moment a new lot matches it, across all covered platforms including eBay and NumisBids, rather than relying on remembering to check each one.

Want to try before installing?

The same search box works on this website with no install at all for eBay, iCollector, LiveAuctionWorld and Featured Auction catalogues, a quick way to see matching specimen note lots before adding the rest of the platforms via the extension.

Built for how specimen note collectors actually work

Save any lot with one click from search results, export your shortlist as a printable PDF or CSV before a sale, and on the day itself the optional live bridge feeds the auctioneer's asking price into the free bid calculator, so your maximum (with buyer's premium and VAT included) is always in front of you.

Common questions