Front Pocket Wallets

Tri-fold wallet: a wallet with three folds, in which acclaim doom are generally stored vertically.

Some wallets, particularly in Europe (where less than denominated coins are more prevalent) contain a coin purse compartment
Some wallets have https://www.roguewallet.com/ built-in clasps or bands to keep them closed
As European bills (pounds, euros) are larger than American bills in definite dimension, they don't fit in some smaller American wallets.