Belgium






Size: 20mm x 48mm, perforated, gummed
Günter Mair catalogue: BEL-A-5 
(1934)




Printed with san-serif typeface.
Size: 20mm x 48mm, perforated, gummed
Günter Mair catalogue: BEL-A-8
(1947)




Modified "G" to more rounded. 
Note there are two types of "G"

Size: 20mm x 48mm, perforated, gummed
Günter Mair catalogue: BEL-A-10
(1948)





Size: 20mm x 48mm, perforated, gummed
Günter Mair catalogue: BEL-A-11
(1948)





Size: 20mm x 48mm, perforated, gummed
Günter Mair catalogue: BEL-A-11b
(1948)
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Printed in brighter blue.
Size: 20mm x 48mm, rouletted, gummed
Günter Mair catalogue: BEL-A-14
(1965)





Size: 20mm x 48mm, rouletted, gummed
Günter Mair catalogue: BEL-A-15
(1965



Printed in brighter blue, with "PAR AVION" 
in lighter typeface.
Size: 22mm x 50mm, perforated, gummed
Günter Mair catalogue: BEL-A-17
(1983)





Size: 12mm x 57mm, perforated, gummed
Günter Mair catalogue: BEL-A-?
(Unlisted)



The word "PRIOR" and aeroplane at the upper part.
.
Size: 20mm x 50mm, die-cut, gummed.
Günter Mair catalogue: BEL-A-18
(1996)




The word "PRIOR" and aeroplane at the lower part.

Size: 20mm x 50mm, die-cut, gummed.
Günter Mair catalogue: BEL-A-?
(Unlisted)




Bigger aeroplane head and closer to the base.
.
Size: 20mm x 50mm, self-adhesive
Günter Mair catalogue: BEL-A-?
(Unlisted)




Similar to previous design, but in brighter blue.
Modification of letter "R".
.
Size: 20mm x 50mm, self-adhesive
Günter Mair catalogue: BEL-A-?
(Unlisted)

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