1 Lot of 10 Avgas Only Placards PN 000002 Piper PN 456-682. 100LL 100. We have more of these placards than we can use, and are offering 10 at a discounted price. They are in good condition with the protective paper, and include application instructions. Approximate dimensions are 4 5/8 inch X 2 3/4 inch.