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International Coin Dealers In Auckland

Coins, Banknotes & Bullion Bought, Sold & Auctioned

Aventine Coins & Bullion serves collectors, estates, investors and institutions, connecting New Zealand to the global markets.

  • Trade Me 3,600+ 100% Positive Feedback
  • NGC · PMG Authorized Dealer
  • SPINK New Zealand Agent

Where to begin

Three ways to work with us

Acquire

Buy Coins & Banknotes

Browse our latest coins and banknotes online, or contact us for private offerings and sales, rare item(s) and collector want lists.

Shop Coins & Banknotes

Realise

Sell or Consign Coins & Banknotes

Choose from outright purchase, specialist brokerage or auction consignment for individual rarities, collections and estates.

Sell Coins & Banknotes

Bid

Coin & Bullion Auctions

Discover monthly auctions with bidding on all lots starting at just $1 with 0% Buyer's Premium and no GST surcharges.

View Upcoming Auctions

Aventine+ Media

Coin Market Insights, Research & Collecting Opportunities

The official news channel of Aventine and Coin & Bullion Auctions — featuring market updates, auction highlights, research and collecting insights from New Zealand and beyond.

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Subscribe for upcoming auctions of coins, banknotes, and bullion auctions, market updates and the latest new arrivals.

Trusted Across New Zealand

Trusted by Collectors, Estates & Sellers

5.0 from 43 Google reviews

100% positive feedback from more than 3,600 transactions and responses on Trade Me.

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