50 Pence - Elizabeth II Tweedle Dee and Tweedle Dum, Silver Proof

Part of the Isle of Man Treasury's ongoing series commemorating Lewis Carroll's Alice in Wonderland characters, this issue draws on John Tenniel's original 1871 illustrations for *Through the Looking-Glass* rather than Carroll's earlier *Alice's Adventures in Wonderland* — a distinction the series handles inconsistently across its various releases. The Pobjoy Mint, which has struck Isle of Man commemoratives for decades, produced the series under license.