Kaisercraft Duchess Clear Clock Stamp Set - 12 Stamps. Great stamp set for so many different craft projects. Largest clock measures 2 inches in diameter, the medium size measures 1 3/8, and the smallest clock measures 15/16 inches which is just shy of 1 inch. KAISERCRAFT-Duchess Clear Stamps. This package contains one 8 1/4 in. x 4 in. sheet of twelve clear stamps in a 9 in. x 4 1/2 in. Pack & Store Storage Pocket with zipper. Retails for $14.99