Yellow Green to Green Color Shades
1931 - 1934 Quantity Shipped to Manila: 22,940,100

Plate 121069: Yellow Green Top Right Margin Block of 14

The prefix “F” on the plate number signifies that the plate was “chromed”
to increase the service life of the plate.
The “F” letter came from the name initial of the person who did the first chroming
at the B.E.P. and punched his initial on the printing plates numbered above 60000.

Missing Period After "B" Error
On mint single, on Position 4 of used block of 4 and on 1936 postmarked piece.