September 24

Lithographed by the Government Printing Office, Manila, in sheets of 100 subjects (10 x 10).
Printed on unwatermarked paper with white gum. Issued perforation 12 1/2.
Quantity: 60s -- 15,000,000 pieces

7,500,000 Pieces later overprinted for the 1975 Air Mail Exhibition issue.

Issued imperforate on April 16, 1974. Quantity: 75,000 pieces.