Panama Canal on the Zone, Pan.-Pac. Int. Exposition 1915

Front:
PANAMA CANAL ON THE ZONE PAN.- PAC. INT. EXPOSITION SAN FRANCISCO, 1915 IIIIIIIIIIIIIIII

Back:
POST CARD Δ Α 2 ο Δ A PLACE A z STAMP3 o HERE o Α Α 2 ο Α. CORRESPONDENCE HERE NAME AND ADDRESS HERE