6 1/2 x 3 5/8 in (16.5 x 9.2 cm)

Provenance and Authentication:
According to the Letter of Authenticity (LOA) and Certificate of Authenticity (COA) provided by the consignor, this collectible was subjected to a forensic examination. The accompanying documentation states that the signatures were evaluated with reference to multiple characteristics, including ink deposition, material and aging characteristics, stylistic consistency, and historical context. Based on the examination described in these documents, the authentication provider concluded that the findings were consistent with the attributed signatures. The LOA and COA provided by the consignor accompany the lot.

A First Day Cover commemorating Man's First Landing on the Moon, bearing the signatures of the complete Apollo 11 crew: Neil Armstrong, Buzz Aldrin, and Michael Collins. The cover features the official United States "First Man on the Moon" commemorative stamp together with the Washington, D.C., September 9, 1969 First Day of Issue cancellation, one of the most iconic postal issues celebrating mankind's first lunar landing.

Each astronaut has signed the cover in a different ink color, creating an exceptional visual presentation while clearly distinguishing the individual autographs. The signatures exhibit the characteristic handwriting styles associated with Armstrong, Aldrin, and Collins, displaying smooth pen movement, confident execution, natural pressure variation, and distinctive personal letter formations consistent with documented authentic examples.

As the crew responsible for one of humanity's greatest technological achievements, memorabilia signed by all three Apollo 11 astronauts remains among the most sought-after categories in the space exploration market. Fully signed First Day Covers are especially prized for combining historical significance, official postal commemoration, and the complete crew's autographs into a single highly displayable collectible.