About Us

Coin Dealers Auckland, NZ

Welcome to Aventine Numismatics, the Authorized Coin Dealer in New Zealand by both NGC & PMG.  

Our specialists coin collectors serve others nationwide, traveling from Auckland to Wellington, Christchurch, and beyond, offering personalized appointments. Looking for a trustworthy rare coin dealer or expert near you? Contact Us today.

Based in Auckland, we are Coin Dealers with a specialization in Ancient Roman and Ancient Greek coins, as well as New Zealand and World Coin and Banknote rarities.

Coin Collectors NZ

New Zealand's Authorized Dealer by CCG. Fully Licensed Secondhand Dealer under the 2004 Act. Specialists in Ancient Coinage. Member of the NZ Numismatic Dealers Association. TradeMe Marketplace Store. Member of the Auckland Business Chamber. 

Aventine Numismatics offers a wide array of services beyond just buying and selling. We provide estate consultations, act as private brokers for our clients, and offer specialized valuation services. Renowned amongst collectors and fellow dealers, our formal credentials ensure our valuations’ credibility is quickly established. 

Whether you're considering purchasing or thinking of selling your collection, we're here to guide you. We provide free, informal advice, empowering you to make informed decisions. Reach out to us if you'd like to consign your collection for sale, sell directly to us, or require an appraisal for insurance.

Monthly Auctions 

Join our monthly public auctions on TradeMe, New Zealand’s leading online marketplace. All of our Aventine Sale lots start their bidding at $0.99, regardless of their value, with no reserves. Bidding typically closes between 7:30 PM - 8:30 PM on weekends. Don’t miss out on the chance for incredible deals; subscribe to our newsletter and stay updated on our latest sales. 

Introducing “Aurum” [ Latin for gold ] Auctions - our exclusive event that showcases numismatic rarities. These special auctions are an addition to our regular Sale, with bidding for these feature lots also beginning at just $1.