Hong Kong. 1941. Registered Air Mail envelope addressed to Boston bearing Egypt 2m orange-red, 40m brown and Air Mail Yvert 24, 200m brick and green tied by Immad El Din date stamp '16th Jan 41' with 'Emad El Din' registration label, bilingual 'Opened by Censor' tape with octagonal 'Postal Censor' in violet, endorsed 'By Air Mail/ via Hong Kong' with Honolulu/ Registered 'Feb 5' and Boston arrival 'Feb 10' on reverse. Attractive item routed Trans-Pacific.