Sierra Leone
Viser nu Sierra Leone - Post frimærker (1859 - 2018) - 2 frimærker.
1986
Appearance of Halley's Comet
1. april VM: Ingen Perforeringer: 14¼
![[Appearance of Halley's Comet, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/0907-b.jpg)
1986
Appearance of Halley's Comet - Issues of 1986 Overprinted
15. oktober VM: Ingen
![[Appearance of Halley's Comet - Issues of 1986 Overprinted, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Sierra-Leone/Postage-stamps/0965-b.jpg)
