Auctions, Wholesale, and Inventoryfor the Coin & Collectibles Trade

Flow Auctions makes a marketplace where collectors bid on certified coins, a wholesale marketplace for dealers, and inventory software for dealers and auction houses.

Flow Auctions: Bid on certified coins from trusted auction houses.

Bid in live and timed auctions of PCGS and NGC graded coins, or buy coins at a fixed price.

The Flow Auctions marketplace with graded coins open for bids

Flow Dealers: Buy and sell wholesale with other dealers.

A dealer-to-dealer marketplace with wholesale prices on every listing.

The Flow Dealers wholesale marketplace with graded coin listings
  • Verified dealers only

    Every buyer and seller is a verified coin shop or auction house.

  • Offers and messages

    Make an offer or send a message on any listing.

  • Secure payment and shipping

    Payments are secure. Shipping labels are insured.

CoinManagerPro: Manage your inventory and list it where it sells.

Inventory software for coin dealers and auction houses, with AI that does the cataloging.

  1. 1

    Scan

    Scan PCGS and NGC certs in bulk to add coins to your inventory.

  2. 2

    Catalog

    AI catalogs each coin from its cert or a photo of the coin.

  3. 3

    List

    Send each coin to the channels that sell it, or export a catalog file.

    • Your Flow store
    • Flow Dealers
    • Google Shopping
    • HiBid catalog
    • LiveAuctioneers catalog
The CoinManagerPro coin inventory with grades, cost, and value