Rāda: Filipīnas - Pasta izdevumi deļ Markas (1899 - 1947) - 1 marka.
1937
Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS"
29. jūlijs SV: Neviens Perforēšana: 10¾
![[Post Office Clerk - Postage Due Stamp of 1928 Surcharged "3 CVOS", veids B7]](https://www.stampworld.com/media/catalogue/Philippines/Postage-due-stamps/B7-s.jpg)
