Dabar rodoma: Filipinai - Mokėtinų pašto išlaidų ženklai (1930 - 1939) - 1 ženklai.
1937
Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS"
29. liepa WM: Niekas Perforacija: 10¾
![[Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS", tipas B7]](https://www.stampworld.com/media/catalogue/Philippines/Postage-due-stamps/B7-s.jpg)
