Lock Chamber - Panama Canal

Front:
SEKS Loek Chamber -Panama Canal

Back:
25 TH ANNIVERSARY 1939 OPENING PANAMA CANAL 1914 POST Coupe B PARAIS JAN 20 DOW BEFORE THERE TO C. Z. ADDRESS 12 M 1940 А го 2144 rro.c.s. Purce, Lakeside, Stockton, Calif