Now showing: Philippines - Postage due stamps (1930 - 1939) - 1 stamps.
1937
Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS"
29. July WM: None Perforation: 10¾
![[Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS", type B7]](https://www.stampworld.com/media/catalogue/Philippines/Postage-due-stamps/B7-s.jpg)
