1912, Lion ? t. red, horizontal pair with upper left corner sheet margin, fresh colour, tied by cds. "LHASA. P.O." to reverse of envelope, on front arrival cds., very fine and scarce, signed Pfenninger

DDR-TIBET: 1953, airmail cover to Lhasa, Tibet, with DDR 1-2 dm. tied by cds. "SONDERSHAUSEN 12. 4. 54.", franked on transit at Gyantse with Tibet 2 t. red (horizontal pair) tied by cds. "GYANTSE", from there forwarded to Lhasa; some wrinkles, still fine and very scarce mixed franking, certificate Flack (2007)

1938/50 (ca.), 11 franked covers