DEMO · ALL CASES AND RESULTS ARE SYNTHETIC
Próba Wartościauction intuition training
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John MahoneySource image

historical-photography-6654 · Wikidata Q344655

John Mahoney

Catalogue record “John Mahoney” assigned to “Historical Photography”. The name comes from the open Wikidata record Q344655. Price, condition and auction timing are demonstration data.

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Catalogue record “John Mahoney” assigned to “Historical Photography”. The name comes from the open Wikidata record Q344655. 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 300
Demo estimatePLN 300–PLN 400

Time left 2 hr 26 min · Bids 73

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Object source

Wikidata Q344655. 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

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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 300
Bids
73
Time left
2 h 26 min
Training only · saved on this device · no transaction

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