US 1999
INSECTS and SPIDERS
Commemorative Panels
Thousands of species of these common plentiful critters, with details printed on the reverse side of each stamp.
The Postal Service began issuance of the panels in 1972. The panel contains the stamp issue, reproduction of steel engravings and background information of the stamp subject.
Scott CP586
Perforated 11
Stamp Pane - #3351
Mint Never Hinged