USA January 26 1931 Cachet San Diego First Seaplane Flight

Cachet postmarked 1931-01-26
Corner Card: SAN DIEGO
CHAMBER OF COMMERCE
20th Anniversary of the
World's First Seaplane Flight
San Diego
"Air Capital of the West"
January 26, 1911-1931

 

Back of cover
SAN DIEGO, CALIFORNIA
"AIR CAPITAL OF THE WEST"

Postmark: SAN DIEGO
JAN 26
11 30 PM
1931
CALIF.