4 Colors 1931 Imperf Issues
1937 Registered Manila to London Via singapore

1937 NOVEMBER 8: MANILA to LONDON
Franked with 2c, 12 and 30c in pairs and 4c single of the 1931 imperforate issue
for proper 92c registered rate computed at 60c double outbound air mail rate
via Singapore as endorsed, 12c required regular postage and 20c registry fee.
Backstamped SINGPAPORE / NOV 12.

EXTREMELY SCARCE