United States

Year: July 1956. The item will be placed inside a single acid-free polypropylene sleeve, then sealed inside a heavyweight stay-flat type envelope. The top envelope flap is self-sealing, but is also tape sealed with polyester tape.

Year: September 1979. The item will be placed inside a single acid-free polypropylene sleeve, then sealed inside a heavyweight stay-flat type envelope. The top envelope flap is self-sealing, but is also tape sealed with polyester tape.

The item will be placed inside a single acid-free polypropylene sleeve, then sealed inside a heavyweight stay-flat type envelope. The top envelope flap is self-sealing, but is also tape sealed with polyester tape.

Year: 1964. The item will be placed inside a single acid-free polypropylene sleeve, then sealed inside a heavyweight stay-flat type envelope. The top envelope flap is self-sealing, but is also tape sealed with polyester tape.

Year: April 1980. The item will be placed inside a single acid-free polypropylene sleeve, then sealed inside a heavyweight stay-flat type envelope. The top envelope flap is self-sealing, but is also tape sealed with polyester tape.