STAMP #: BK31g

MINT/USED:

TYPE: Booklet

GRADE: VF

DESCRIPTION: 1c green (231as), 2c brown (232as), 3c carmine (233as), 1 pane each of 4 + 2 labels (231a, 232a and 233a), Apr 14, 1937. Type II, with 6c airmail rate. Purple cover.