Macau, Michel 111, A129 cover, 1902 Luis I stamps surcharged 6A on 200R on Carlos I and 3 A black/violet as halved stamps on registered cover to Germany. (Image1)

Macau, Michel 287, 296 cover, 1934 S.t Gabriel 30A yellow-green etc on cover with PAN AM'S first flight from Macao to Hong Kong 28-IV-37. Arrival cancellation on back Victoria 28 AP 37 Hong Kong. Violet cachet "PRIMEIRO VÔO MACAO-U.S.A.". (Image1)