| The first Kaulbach Island issue was a set of seven stamps depicting birds native to the area: Great Horned Owl, Blue Jay, Belted Kingfisher, Osprey, American Goldfinch, Chimney Swift and Spotted Sandpiper. | |
| The stamps were issued in 7 x 5 sheets (rouletted). | |
| 37,197 sets were sold, less 3000 that were overprinted for the 1981 issue, and 1500 used on first day covers. |
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