2002 Britannia Tenth Ounce Gold Proof Coin Error Portrait Mule

Buy and sell coins with confidence when you use The Britannia Coin Company of Royal Wootton Bassett, Wiltshire.

Buy Collectable Coins Online

We offer a wide range of collectable and investment coins in pre-owned and brand-new condition. As our name suggests, we focus on British coins (from hammered metal-detecting finds to modern Royal Mint issues) with a healthy selection of pieces from international mints too. All the coins we sell are 100% guaranteed authentic and, where relevant, are individually certified.

The Britannia Coin Company is part of the Gold-Traders group, founded in 2008. We're members of the British Numismatic Trade Association (BNTA) and pride ourselves on our honesty, integrity and expertise. 

You're guaranteed a fully protected service when you buy online with The Britannia Coin Company. Our payment process is fully encrypted, preventing unauthorised access to your personal and financial details. Check your browser bar for the trusted padlock symbol: it's a mark of security.

Free And Insured UK Shipping

The price of all our coins includes free, fully insured UK shipping.

We post most orders within one to three working days of receipt. Please check individual product pages for accurate delivery estimates.

We deliver internationally. All payments are to be made in Pounds Sterling. We have a flat rate international shipping charge of just £15. See our dedicated delivery page for exceptions and further information.

Sell Your Coins With Confidence

Our experts want to make selling your coins a stress-free experience. They're ready to provide transparent valuations for your old coins: whether that's an individual piece or a large collection.

The team buys thousands of coins every month via our postal valuation service. It's a safe and easy way to sell coins from home with payment via bank transfer available the same day you confirm our price.

If you'd prefer to visit us in person, we've got secure, private meeting rooms in our offices at 29 High Street, Royal Wootton Bassett, SN4 7AE. We recommend calling ahead to book an appointment or check out one of our specialist drop-in valuation days.

Visit Our Wiltshire Showroom

If you're looking for a bargain then why not visit our showroom? We've got lots of great discount coins available in our cabinets at Old Bank Antiques.

From circulating £2s and 50ps to world coins, commemorative sets and new releases to ancients, we've got something for everyone. Make sure you save time to browse the glass, ceramics, jewellery, clocks and militaria on display in the rest of the shop, located at 143 High Street, Royal Wootton Bassett, SN4 7AB.

You won't find our full range on display in our showroom but if there is something particular you would like to examine then please do get in touch. We're pleased to arrange a private viewing appointment at a time that suits you.

Contact Our Coin Experts Now

Got questions about buying or selling coins? Our friendly team of numismatists (coin experts) are ready to assist with valuations, offers, postage enquiries, and more.

Call our enquiries line on 01793 205 007 (open Monday to Friday, 9am to 5pm).

Drop us a line at coins@britanniacoincompany.com.

Message us using our live chat feature (that's the green button, found at the bottom right of this page).

Visit us at 29 High Street, Royal Wootton Bassett, Wiltshire, SN4 7AB (we recommend checking our location map before you set out).