Description:History of Bulgarian Air Forces
Date of issue: 27.04.2007
Denomination&Quantity: 0.10, 0.35 & 0.55 Leva - 20 000, 1.00 Lev - 16 000
Stamp size: 44 x 29 mm
Perforation: 13 1/4 : 13
Souvenir sheet: 5 x 10
Printing process: offset
Designer: Stoyan Dechev
