Made of oriented polystyrene Contains no agents that might be harmful to postage stamps Special foil will not shrink or discolor It is 100% waterproof and is proven safe for stamps
U.S. Souvenir Sheets thru SIPEX except White Plains Black Back or CLear 11 Mounts per package
US Souvenir Sheets: 1c & 3c -135 x 120 Chicago Century of Progress 3c 88 x 93 Byrd 1c 94 x 100 National Park 3c 99 x 93 National Park 3c 99 x 67 Tipex 10c 67 xb 79 Smoky Mt (spa) 5c & 10c 98b x 68 Cipex 3c & 8c 109 x 74 Fipex 8c 97 x 82 Magsaysay Plate Block 5c 108 x 74 Sipex
