These unusual "wallets" meant for carrying British gold coins in the 1800's appeared in these two films.
"The Card" was a British film released in 1952 and set around 1898.
The main character finds a man's coin wallet and returns it to him.

"The Card" coin wallet
"Jamaica Inn" was a British film released in 1939 and set around 1820.
A gang of pirates suspects one of their members and find that his belt contains a coin wallet.

"Jamaica Inn" coin wallet
