Description
Booklet Pane Pair 374a Perf 12 One Cent Green Stamps 1912 Seligman Arizona Cover
Weak but legible Seligman, Ariz(ona) Mar 18, 1912 postmark on clean #10 size Santa Fe Railroad corner cover. Winslow Ariz Mar 19 7AM 1912 receiving postmark on back. Very early Arizona Statehood cover.
The postage stamp booklet pane pair is either scott #331a issued in 1908, or 374a issued in 1910. The difference between the catalog numbers is the watermark which can not be determined. Most plausible is the single line watermark 1910 issue # 374a.