1941
Bureau of Education Official Mail
1940 APRIL
22: MANILA to MALOLOS, BULACAN
30.0 x 23.0
cm Large envelope with pairs of 1935 4c Woman & Carabao
and 1938 12c
Salt Springs O.B. issues (#O16 and #O32) for 32c
First Class
Domestic Rate, 320 grams maximum weight.
SCARCE 1935
and 1938 O.B. COMBINATION FRANKING
1939
JUNE 5: MANILA to MALOLOS, BULACAN
27.0 x 18.0
cm Large envelope with 1931 8c Legaspi Definitive
and 1935 26c
x 3 Rice Terraces O.B. (#O8 and #O23) issues for 86c First Class
Domestic Rate
at 860 grams maximum weight.
SCARCE MULTIPLE
USE OF 26c O.B. ISSUE