ChinaChina 1948 Gold Yuan Airmail Inflation Cover
envelope to Switzerland bearing Dr. Sun Yat-Sen Gold Yuan overprints SG1092, "$1 on 40c" Brown, SG1097, "$2 on $100" crimson, SG1098, Martyrs "$5 on 17c" olive and SG1103, "$10 on 40c" orange. Tied by Shanghai datestamp, Very fine. (pt)
