First Day of Issue Botanical Congress Issue. 4 different 6 cent stamps. Douglas Fir of the northwest, Ladys Slipper of the northeast, Ocotillo of the southwest and Franklinia of the southeast
Postmark: August 23, 1969 Seattle Washington
The stamps themselves are intact, generally in very good condition. The envelopes, depending on quality of the paper, may show age.
Scotts Number: 1376 Douglas Fir Northwest
1377 Ladys Slipper Northeast
1378 Ocotillo Southwest
1379 Franklinia Southeast
PF#6166
