OK here are the 4 submitted. Which do you think? Does it give you another idea? Perhaps a combination of some? You may like some aspects and not others. For instance, card 3 was designed so no matter which way around the card was in the wallet (assuming it was short end in and facing front  :lol:  ), it would be easy to spot! 
 
Card 1 
 
 
Card 2 
 
 
Card 3 
 
 
Card 4 
 
 
Thanks to those who took the time to design them  :bounce: