About Us



Aventine Numismatics: New Zealand's Premier Coin Dealers 


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


With our base in Auckland, our specialist numismatists ( Coin Collectors ) extend our services nationwide, offering personalized appointments anywhere in New Zealand. Are you looking for a trustworthy rare coin dealer near you? Get in touch with us today for our expertise. 


We specialize in various numismatic areas, focusing on Ancient Roman and Greek coins and coin and banknote rarities of New Zealand and the rest of the world. Whether you are a seasoned collector or new to numismatics, our diverse range caters to all levels of interest and expertise.


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 also offers a wide range of services beyond just buying and selling to meet the varied needs of our clients: 


Estate Consultations: We offer professional advice on disposing or managing estates containing coins and other collectable items. 


Private Brokers: For those looking for specific items or wishing to sell parts of their collection, we act as one of the largest private brokers in New Zealand on behalf of collectors and some of the world's most prominent authorities in the collectables market. 


Specialized Valuations: Renowned amongst collectors and fellow dealers and backed by formal credentials in the numismatic trade, we provide valuations for insurance and other purposes. 


New Zealand Grading Submission Center: NZGSC is scheduled to be launched in late 2024, offering public submissions to NGC and PMG as their sole Authorized Dealer in New Zealand. 


Whether you're considering purchasing or considering selling your collection, we're here to guide you. Contact us if you'd like to consign your collection for sale, sell directly to us, or require an appraisal for insurance purposes. 


Monthly Auctions 


Join us for our exciting monthly sales on TradeMe, New Zealand's leading online marketplace. All of our lots start at $0.99, regardless of their value, with no reserves and offer an opportunity for incredible deals. Bidding typically closes between 7:30 PM and 8:30 PM on weekends. Keep updated with our latest sales and offerings by subscribing to our newsletter.


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