Super Cool Silver Britannia 2023 Security Features
erwindoc
Posts: 5,143 ✭✭✭✭✭
I just got this coin in hand. It has to have the coolest security feature I have ever seen on a coin. Rotated one way, it looks like the trident. Rotated another it looks like a key hole. Finally rotated another direction it is the negative image of the key hole. How they do that is beyond me!
3