4 of Diamonds to Number Card
You can customize any flap card which changes from 4 of Diamonds to any NUMBER CARD you want (2~10).
Let's say you select 10c and Blue Bicycle Back in this page and add it into your order.
You will receive a blue standard Bicycle backed flap card which changes from 4 of Diamonds to 10 of clubs.
Suit: s for Spades, h for Hearts, c for Clubs and d for diamonds.