Consign to Us

Sell Your Rare Coins and Banknotes on Consignment | Aventine Numismatics


( We Sell on your Behalf ) 


Aventine Numismatics & Collectables invites you to consign your Rare Coins and Banknotes with us. 


Our Consignment Process Explained

Our comprehensive consignment policy provides a detailed step-by-step guide to selling your item(s) with us, ensuring a seamless transaction from start to finish.


( Get it Appraised ) 


Please send us photographs and known details ( including ownership history if applicable ) of your items. Our team of experts will review your item(s), provide an estimated retail value, and suggest the best sales approach, whether through a private treaty sale, public auction, a retail listing, or even an outright cash offer to purchase. We are particularly interested in ancient coins, historic British and world coins, and banknotes.

Our team can arrange in-person evaluations and collections anywhere in New Zealand for substantial collections or high-value items.


( Agree on Terms and Prices ) 


After appraising your item(s), we'll provide a detailed sales agreement for your approval and signature, outlining the mutually agreed terms, including:


  • Fully Itemized List: Our sales agreement details an exact inventory of the items received by us to be sold on your behalf, as well as including images of the item(s) and any unique serial numbers, if applicable. 


  • Consignment Fees: Our commission rates are based on the item(s) value. This enables us to cover expenses such as New Zealand GST, marketing, travel for deliveries and collections in person, and credit card payment fees. 


  • Payment and Settlement Terms: The timeline for payment to you after the successful sale of items and the preferred payment method (e.g., bank transfer ).


  • Cash Advances: We are able to provide cash advances against your item(s) while await being sold. 


As per the Secondhand Dealers and Pawnbrokers Act of 2004 by the New Zealand Ministry of Justice, we are required to collect the following information and hold item(s) for 12 days: Full Name, Contact Address, Valid ID, and a Signature for the Transaction.


( Get Paid ) 


Once your items are successfully sold, we will contact you to arrange a settlement. 


(  Public Auction ) 


Besides our in-house sales channels, we can also offer brokerage services to some of the world's largest auction houses for you. Special terms, such as reserve prices, 0% Commission rates for the finest items, and insured and express private courier shipments, can all be negotiated on your behalf. 

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