The short list:
Andar
Duke – Strap to hold money ½ folded on one side. 2 card slots $29 4 x 3
The Duke
The Scout – Middle pocket for ½ folded money. 7 card slots. $35 4 x 3.25
The Scout
Walleteras
Solo II – Open side money slot for ½ folded money. Up to 8 cards. $28
Minimalist Front Pocket Wallet in Crazy Horse Leather - Solo II
Axess
Minimalist wallet – middle money slot for ½ folded money. Up to 8 cards. 3.1 x 4.3 $59
Minimalist wallet
Saddleback
Slim leather card wallet – two small card pockets and one 2-sided pocket for ½ folded cash. 4 x 2.75 $39
Slim Leather Card Wallet
Front pocket ID wallet – Same as above with an ID window and card slot on one side and 2 card slots on the other side $49
Front Pocket Leather ID Wallet