The 100th Anniversary of Bulgarian Naval Aviation 2017
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2017
The 100th Anniversary of Bulgarian Naval Aviation
29. April WM: None Sheetsize: 40 Design: Valentin Shtinkov Engraving: Lithographie Perforation: 13
![[The 100th Anniversary of Bulgarian Naval Aviation, type HCA]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/HCA-s.jpg)
