May 1, 1947
Manuel L. Quezon Commemorative Issue
1-Centavo Green

Typographed by the Philippine Bureau of Printing, Manila
Printed in Sheets of 60 Subjects (6 x 10)
No Plate Number
Printed on Unwatermarked Paper
Perforation: 11½ x 12
Quantity: 954,370

511a - Blue

Imperforate Proofs on Cover
Postmarked 'Manila - October 15, 1954'
Known Covers: Grey, Yellow-Green, and Black

511a - Grey

Reverse - with the Following Signatures:
Top (Horizontal) - Dona Aurora Quezon (wife of Manuel Quezon)
Top Left (Diagonal) - Severino Luna
Left (Vertical) - Post Office Official, Unknown Identity
Right (Vertical) - Postmaster General Ruiz

Imperforate Between
a) Between Row Four and Five - Top Margin Vertical Strip of Five
b) Between Row Eight and Nine - Bottom Margin Vertical Block of Ten

Left Margin Imperforate

511d
(From the Collection of Dr Ngo)