DEMO · ALL CASES AND RESULTS ARE SYNTHETIC
Próba Wartościauction intuition training
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Ida John with her son, DavidSource image

photography-0235 · Wikidata Q106564996

Ida John with her son, David

portrait of Ida John Catalogue record “Ida John with her son, David” assigned to “Photography”. The name comes from the open Wikidata record Q106564996. Price, condition and auction timing are demonstration data.

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portrait of Ida John Catalogue record “Ida John with her son, David” assigned to “Photography”. The name comes from the open Wikidata record Q106564996. 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 20,300
Demo estimatePLN 21,900–PLN 28,900

Time left 6 hr 35 min · Bids 68

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Object source

Wikidata Q106564996. 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 20,300
Bids
68
Time left
6 h 35 min
Training only · saved on this device · no transaction

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