Printed on skyblue, rouletted and gummed.
Günter Mair catalogue: BEL-A-15 (1965)
Similar to the above design, but with text reversal, roulleted.
Günter Mair catalogue: BEL-A-15b (1965)
Printed on skyblue, perforated on four sides and gummed.
Günter Mair catalogue: BEL-A-17 (Nov.1983)
Printed on dark blue without French word, size: 12mm x 57mm, perforated.
Günter Mair catalogue: BEL-A- ? (1984)
Similar to the previous design except the plane is at lower part, self-adhesive.
Günter Mair catalogue: BEL-A- ? (Aug.1966)
Latest design with an additional three circles, imperforated and self adhesive.
Günter Mair catalogue: BEL-A- ? (circa 2010)