As with just about any asset, a coin’s value is determined by its market demand. This means that coins in short supply often see higher demand — and higher values. With coins, supplies are limited ...
You might think it's just a standard 50p coin, but if you look for one tiny detail on your change, it could be worth a lot ...
Rare coin collectors are being urged to check their change immediately as this special 50p might be sitting in their change.