Overprint D
Overprint D has three types. This overprint was used on stamps 
Pofis / Trojan  59, 60 - 79 and 103X.
Overprint D - type I.
The height of the overprint is 15,7 mm, the length 24,0 mm.
The height of the letters is 3,0 mm, the angle is 45º.
1. The axle of T land between O and V.
2. The vertical distance between POSTA and CESKOSL. is 3,1 mm
    and between CESKOSLOV. and 1919 2,7 mm.
3. The second O has a little dot, same on the second E.
4. The first 1 and 9 in 1919 are connected with a small line.
5. The line over A is of oblong type.
6. The second 9 in 1919 is cut.

Overprint D - type II.

The height of the overprint is 15,7 mm, the length 24,0 mm.
The height of the letters is 3,0 mm, the angle is 42º.
1. The axle of T pass through the left part of V.
2. The vertical distance between POSTA and CESKOSLOVENSKA is 2,7 mm
    and between CESKOSLOV. and 1919 3,0 mm.
3. The second O has a little protruding dot, the second E have a smal dot.
4. The first 1 and 9 in 1919 are connected with a small line.
5. The line over A is of oval type.

6. The second 9 in 1919 is cut.

Overprint D - type III.

The height of the overprint is 15,7 mm, the length 24,0 mm.
The height of the letters is 3,0 mm, the angle is 41º.
1. The axle of T touch the left part of V.
2. The vertical distance between POSTA and CESKOSLOVENSKA is 2,8 mm
    and between CESKOSLOV. and 1919 2,8 mm.
3. The second O has a little protruding dot.
4. The first 1 and 9 in 1919 are connected with a "small broken line".
5. The line over A is hooked.

6. The second 9 in 1919 is cut.