# Thumbnail Catalog Number Description Denomination Color Variety Date Issued Gum Type Actions
61 O50a Post Office 6c black 1873 7/1/1873 Water Activated
62 O51 Post Office 10c black 1873 7/1/1873 Water Activated
63 O52 Post Office 12c black 1873 7/1/1873 Water Activated
64 O53 Post Office 15c black 1873 7/1/1873 Water Activated
65 O54 Post Office 24c black 1873 7/1/1873 Water Activated
66 O55 Post Office 30c black 1873 7/1/1873 Water Activated
67 O56 Post Office 90c black 1873 7/1/1873 Water Activated
68 O57 Dept. Of State 1c dark green 1873 7/1/1873 Water Activated
69 O58 Dept. Of State 2c dark green 1873 7/1/1873 Water Activated
70 O59 Dept. Of State 3c bright green 1873 7/1/1873 Water Activated