与词条（邮票） #S19225, #S19226, #S19227, #S19228, #S19229, #S19230, #S19231, #S19232, #S19233, #S19234, #S19235, #S19236, #S19237, #S19238, #S19239, #S19240, #S19241, #S19242, #S19243, #S19244, #S19245, #S19246, 相关的邮政史