Hong Kong. (Air Mail). 1936. Registered Air Mail envelope addressed to Java, Netherlands Indies bearing SG 103, 6c orange, SG 117, 1c brown, SG 118, 2c green , SG 119, 3c grey, SG 120, 4c carmine, SG 121, 20c purple and sage and SG 127, 30c yellow and purple tied by Hong Kong /Air Mail double ring with matching registered label endorsed 'By Air Mail via Penang' with Batavia arrival. Attractive item.