# Thumbnail Catalog Number Description Denomination Color Variety Date Issued Gum Type Actions
7701 O51 Post Office 10c black 1873 7/1/1873 Water Activated
7702 O52 Post Office 12c black 1873 7/1/1873 Water Activated
7703 O53 Post Office 15c black 1873 7/1/1873 Water Activated
7704 O54 Post Office 24c black 1873 7/1/1873 Water Activated
7705 O55 Post Office 30c black 1873 7/1/1873 Water Activated
7706 O56 Post Office 90c black 1873 7/1/1873 Water Activated
7707 O57 Dept. Of State 1c dark green 1873 7/1/1873 Water Activated
7708 O58 Dept. Of State 2c dark green 1873 7/1/1873 Water Activated
7709 O59 Dept. Of State 3c bright green 1873 7/1/1873 Water Activated
7710 O60 Dept. Of State 6c bright green 1873 7/1/1873 Water Activated