现在展示： 苏联 - （通用）邮票 (1923 - 1929) - 5 邮票.
24. 三月 窗口管理器: 1 纸张规格 : 80 设计: D. Golyadkin 雕版: recess 筛孔: 10½
![[Definitive Issue - Lenin, 类型 L2]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/L2-s.jpg)
![[Definitive Issue - Lenin, 类型 L3]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/L3-s.jpg)
![[Definitive Issue - Lenin, 类型 L4]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/L4-s.jpg)
5. 八月 窗口管理器: 1 纸张规格 : 80 设计: V. Kupriyanov 雕版: litho 筛孔: 12½
![[The 6th International Proletarian Esperanto Congress, 类型 U]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/U-s.jpg)
![[The 6th International Proletarian Esperanto Congress, 类型 U1]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/U1-s.jpg)
