1956 (10 Mar) Map of Macau illustrative FDC x2 (Yang 399-406) in which one f.w. 90a with red coloured shifted downward variety (Yang 405a)
1956 (10 Mar) Map of Macau illustrative FDC x2 (Yang 399-406) in which one f.w. 90a with red coloured shifted downward variety (Yang 405a) and another one normal, tied by Emissao Carta Geografica Macau cds. Scarce commerically used variety FDC. 1956.3.10 澳門地圖美術首日封2件（楊目399-406），當中一件貼有紅色套印下移之9毫變異票（楊目405a），另一件正常。難得少見之變異實寄首日封。
