Issued by the Siskai government in 1986. A country not on the map. A set of 5 stamps with a space design themed on Halley's Comet. - Theme: Halley's Comet - Number of stamps: 5 - Design: Illustrations of space and planets - Issuing organization: Nichiei Yushu Association - Title: HALLEY'S COMET Unused. Two stamps have stains on the back (see images 8 and 9) Everything in the images is included. Please be sure to check the images and description, and understand that this item has been stored at home before purchasing. Thank you for looking.