China. (French Indo-China). 1951. Air Mail envelope addressed to Saigon bearing Indo-China SG 192, 50c brown (4) tied by Dalat/ Plateaux-Indo-China date stamp, underpaid with 'T' hand-stamp and bearing French Indo-China tax SG D211, 20c red/yellow (pair) applied and tied by Saigon/ Viet-Nam receiver. Nice item.