Aerospace enthusiasts frequently collect themed memorabilia, including ephemeral material such as envelopes and stamps. Various governments and entities issue these at commemorative anniversaries and events. The Museum inevitably became a repository for such material over time. Although no longer in the Museum's collecting scope, this these stamps, first day of issue envelopes, and other aerospace related postal material (aerophilately) make up this collection.

Aerospace enthusiasts frequently collect themed memorabilia, including ephemeral material such as envelopes and stamps. Various governments and entities issue these at commemorative anniversaries and events. The Museum inevitably became a repository for such material over time. Although no longer in the Museum's collecting scope, this these stamps, first day of issue envelopes, and other aerospace related postal material (aerophilately) make up this collection.

4 Cubic Feet The content of this collection includes stamps and envelopes (covers) in varying sizes, formats, and issuance. Material has a multitude of combination of cancellations, cachets, stamps, and envelopes. This collection is stored in eleven boxes: four measuring 8.25" x 12.25" x 5.25", two measuring 12.5" x 10.75" x 5.25", one measuring 15" x 12" x 3", one measuring 13" x 10" x 3", one measuring 15" x 12" x 1.5", and two document cases measuring 10.5" x 15.5" x 5".

The materials in this collection were donated to the San Diego Air & Space Museum over time, and represents an artificially created collection arranged by format. The collection has been processed and is open for research with no restrictions.