Coin & Bullion Auctions
C&B Auctions (formerly Aventine Christchurch) is a specialist New Zealand auction brand focused on rare coins, banknotes, bullion, and numismatic collections with a Revolutionary Zero (0%) Buyer's Premium/Fees or Additional GST Surcharge. Upcoming Sales: C&B Numismatics & Bullion Late June 2026 C&B General Numismatics Sale June 2026 Late June 2026
Public Auctions
Through our global network and custom online auction platform, C&B Auctions delivers industry-leading marketing and commission structures for the sale of rare coins, banknotes, and bullion locally and internationally.
Direct Purchases
We actively purchase individual rarities and entire collections for numismatic material, banknotes, gold sovereigns, bullion, and estate holdings. Get our quote last before deciding to sell to ensure maximised value.
Assessments
Receive a complimentary preliminary assessment for your coins, banknotes, medals, and precious metals/bullion, whether considering an outright sale, auction consignment, or just a formal insurance valuation.
C&B Auctions — Christchurch
PO Box 20158
Bishopdale
Christchurch 8543
New Zealand
Hours: By Appointment
Email: [email protected]
Strategic Partner
Aventine — Auckland
31E Bartley Terrace
Level 1, Unit D
Auckland 0624
New Zealand
Reception: +64 9 887 8480
Email: [email protected]