1923, 9 July. Large colored number placed in a white circle.

Design:

Letterpress printing by: Zegeldrukkerij, Mechelen

Perforation: 14

Size:

Sheet: 100

Circulation:

 

TX66   5c brown

TX67   10c carmine

TX68   15c violet

TX69   30c yellow-green

TX70   50c ultramarine

TX71   50c clear blue (a light blue version exist also but is not so current)

TX72   1Fr gray

The Series:

 

Non-perforated series:

Sorry no photo

 

 No 68, one site non-perforated

 

1943, 30 July. Large white number placed in a colored oval.

Design:

Printing: Waterlow and Sons, London

Perforation: 12,5

Size:

Sheet: 100

Circulation:

 

TX73   10c olive

TX74   20c blue

TX75   50c green

TX76   1Fr dark-brown

TX77   2Fr orange

 

The series:

 

 TX73A Example of “dirt”

 

The Series TX73A-TX77A is the same as above; the perforation is 14 x 14,5

 

1957, 15 March. White number placed in circle.

Design:

Printing & gravure:

Perforation: 11,5

Seize:

Sheet: 50

Circulation: 273,200

 

The series:

 

Non-perforated series:

 

There are no variations or curiosities known for the perforated or non perforated series.