The 20th U.P.U. Congress, Washington D.C 1989
Now showing: Monaco - Postage stamps - 1989 - The 20th U.P.U. Congress, Washington D.C - 1 stamps.
1989
The 20th U.P.U. Congress, Washington D.C
26. October WM: None Sheetsize: 30 Design: Andreotto. Perforation: 13 x 12¾
![[The 20th U.P.U. Congress, Washington D.C, type BXB]](https://www.stampworld.com/media/catalogue/Monaco/Postage-stamps/BXB-s.jpg)
