See pretty stamps at the Japan Post website!
Japanese Space Stamps for sale
Ishikawa JET Resource Wiki
Full Frame: JASDF Chitose Air Festival 2015 Special Stamp Issue
Big Blue 1840-1940: Japan- Definitive Issues 1913-38
Mizushima x Matsuo Miyuki Jizai Clear Stamp Set – Yoseka Stationery
Mint Hinged Aviation Japanese Stamps for sale
Big Blue 1840-1940: Japan- Definitive Issues 1913-38
Big Blue 1840-1940: Japan- Definitive Issues 1913-38
Vintage Japanese Yen Price Tag wood stamp (日本円チケット) by Mic
Arriving in Ishikawa - MUST READ INFORMATION for new JETs
Japanese Aviation Stamps for sale
Big Blue 1840-1940: Japan- Definitive Issues 1913-38