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This page contains (all known) covers with "Polar Covers" cachets produced by Gene E. Schlimmer of Lompoc CA to mark satellite launches and other space-related events. Those covers most often include this logo.
Readers who know of additional information or images are invited to contact the authors using the e-mail addresses found at the link at the bottom of this page.
Below is a list of "Polar Covers" cachets on launch covers (including anniversary-of-launch covers, and launch-related event covers).
| Country | Cancel Date | Cancel Location | Type of Item | Notes on Content |
|---|---|---|---|---|
| "Polar Covers" cachets | ||||
| United States | 1972-07-23 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover | Landsat-1 launch |
| United States | 1972-07-23 | Lompoc CA | (Polar Covers) cachet on cover | |
| United States | 1972-10-02 | Lompoc CA | (Polar Covers) cachet on cover | Radcat-2 and Radsat launch |
| United States | 1972-10-15 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover, also back and insert and insert back | NOAA-2 and OSCAR-6 launch |
| United States | 1972-10-15 | Lompoc CA | (Polar Covers) cachet on cover, also back and insert and insert back | |
| United States | 1972-11-21 | Lompoc CA | (Polar Covers) cachet on cover | ESRO-4 launch |
| United States | 1972-11-21 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover | |
| United States | 1972-12-10 | Lompoc CA, Vandenberg AFB | (Polar Covers and black rubber-stamp below cancel with "Nov" month error) cachet on cover, also insert | Nimbus-5 launch |
| United States | 1974-07-16 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover | Aeros-2 (Aeros-B) launch; (also "Aeros-A" in text) |
| United States | 1974-08-30 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover | ANS launch |
| United States | 1974-11-15 | Lompoc CA, Vandenberg AFB | (Polar Covers) cachet on cover | NOAA-4 and Intasat and OSCAR-7 launch |
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