Ditunjukkan sekarang: Belgium - Setem-setem pakej pos (1960 - 1969) - 1 Setem-setem.
1964
No. 56 Overprinted
20. April WM: Tiada Corak: Albert Melckenbeek y Leon Janssens. Perforasi: 11½
![[No. 56 Overprinted, jenis Y]](https://www.stampworld.com/media/catalogue/Belgium/Parcel-post-stamps/Y-s.jpg)
