Kodak Gray Cards TWO! Classic Kodak gray cards with instructions. 18% gray on one side and 90% white on the other. $4 I am happy to sell items on APUG and I make a contribution to APUG. To make this work please: To buy send me a private message (PM) with your email address for use in communicating; I will provide my email address via PM. If you use PayPal I will ship to the address PayPal provides. I can ship outside US. For shipping I will charge you what the USPS charges me. When you pay tell me what you are buying!