The 22nd congress of UPU

1999-09, The 22nd congress of UPU《第二十二届万国邮政联盟大会》 Stamp Title: The 22nd congress of UPU Scott No: 2069-71 Serial number: 1999-9 Values in set: 2 (2-1), The Site of First Congress of the UPU, 80 fen, 50*30mm (2-2), The Site of 22nd Congress of the UPU, 540 fen, 50*30mm Souvenir sheet: 1 (1-1), Inscription by [...]