DEMO · ALL CASES AND RESULTS ARE SYNTHETIC
Portland PennySource image

coins-stamps-0276 · Wikidata Q7231994

Portland Penny

copper matron head penny used to determine naming of Portland, Oregon Catalogue record “Portland Penny” assigned to “Coins & Stamps”. The name comes from the open Wikidata record Q7231994. Price, condition and auction timing are demonstration data.

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copper matron head penny used to determine naming of Portland, Oregon Catalogue record “Portland Penny” assigned to “Coins & Stamps”. The name comes from the open Wikidata record Q7231994. 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 12,300
Demo estimatePLN 13,300PLN 17,600

Time left 43 hr 04 min · Bids 25

Object source

Wikidata Q7231994. Bidding simulationTraining only · saved on this device · no transaction.

The exercise below is a separate synthetic DEMO case.

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 12,300
Bids
25
Time left
43 h 04 min
Training only · saved on this device · no transaction

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