BIDHALF

BidHalf

Learn

A reference companion to the museum — curated topic sections that go deeper on the subjects behind the collection. Every entry, image, and fact is drawn from Wikipedia and Wikimedia Commons.

Auctions & Bidding

How auctions actually work — the English and Dutch formats, online and silent sales, the auctioneer and the gavel, reserve prices, and the rooms where bids are made.

8 entries

Auction Houses & Marketplaces

Where goods change hands — the great auction houses like Christie's and Sotheby's, online marketplaces and exchanges, and the bazaars and flea markets that came before them.

11 entries

Collecting & Value

What makes an object worth chasing — antiques and fine art, coins and stamps, porcelain and rare books, and the provenance that underpins a collectible's value.

14 entries

Buying & Selling Smart

The habits of a careful buyer — bargaining and discounts, reselling and flipping, spotting counterfeits and confidence tricks, and the protections that keep a deal safe.

9 entries