Philippines. (Transpacific Mail). 1941. Air Mail envelope addressed to Manila bearing Holland Yvert 369a, 2 1/2c green, Yvert 376, 20c violet and Yvert 380, 40c green (strip of four) tied by Doorn double ring '19th July 41' endorsed 'Per Transatlantic Luchpost/ and via United States Air Mail/ and Trans-Pacific Route' , routed via Koln with German censor tape tied by circular censor on reverse and Manila receiver 'Au 20' . Very fine.