Welcome to NumisTrends, a modern numismatic research department for coin collectors in New Zealand. Our speciality is in market analysis, brokering services, and insurance valuations.


Up-to-date Market Research for Collectors and Dealers:


  • We conduct up-to-date market research by analyzing data from millions of worldwide current sale data for your specific item(s). This service allows you to review comparable values to make an informed decision regarding sales or purchases.




  • We collaborate with other collectors, private buyers, and foreign and local auction houses to facilitate transactions and find the best options for our clients. 


  • We offer personalized assistance, exploring various avenues of sales and purchases to find the best solution tailored to your needs.


  • Direct inquiries with other dealers, private individuals looking to sell, and international acquisitions.


  • Actively receiving your want lists, we track item(s) that you're after against our existing clients who are looking to sell 


Insurance Valuations & Documentation:


  • We supply professional insurance valuations and documentation to protect your collection and any estate consultations and subsequent recommendations. 


  • As New Zealand's Official NGC & PMG Authorized Dealer with numerous professional memberships, our reports carry the credibility that every insurance company seeks when reviewing a claim.


New Zealand Grading Submission Centre [ NZGSC ] 

As one of New Zealand’s leading coin dealers, Aventine Numismatics offers publicly accessible services for official certification and grading through our accreditation as an Authorized Dealer in Coins and Banknotes by two of the world's foremost third-party authorities in numismatics, NGC & PMG.  


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