DEMO · ALL CASES AND RESULTS ARE SYNTHETIC
Próba Wartościauction intuition training
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Holey dollarSource image

coins-stamps-0253 · Wikidata Q961415

Holey dollar

19th century British colonial coinage Catalogue record “Holey dollar” assigned to “Coins & Stamps”. The name comes from the open Wikidata record Q961415. Price, condition and auction timing are demonstration data.

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19th century British colonial coinage Catalogue record “Holey dollar” assigned to “Coins & Stamps”. The name comes from the open Wikidata record Q961415. Price, condition and auction timing are demonstration data.

DEMO LOT

Prices and results are demonstrations. You practise decisions, not the market valuation of this object.

Current bidPLN 22,100
Demo estimatePLN 23,900–PLN 31,500

Time left 28 hr 57 min · Bids 22

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Object source

Wikidata Q961415. Bidding simulation — Training only · saved on this device · no transaction.

The exercise below is a separate synthetic DEMO case.

MethodologySources and rights

Object source

Verified Wikidata fields

…

Bidding simulation

Practise the bidding decision

Set a private maximum first. The simulator will stop you before emotion pushes the bid above your plan.

Prices and results are demonstrations. You practise decisions, not the market valuation of this object.

Current bid
PLN 22,100
Bids
22
Time left
28 h 57 min
Training only · saved on this device · no transaction

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