Overprint G
Overprint G has four types. This overprint was used
on stamps Pofis / Trojan 126 - 139.

Overprint G - type I.

The height of  the overprint is 16,0 mm, the length is 24,0 mm.
The height of the letters is 3,0 mm, the angle is 36º.
1. The axle of T pass through the centre of  O and touch the
    the right part of  9.
2. The vertical distance between POSTA and CESKOSLOVENSKA
    is 3,1 mm and between CESKOSLOVENSKA and 1919 2,7 mm.
3. The second O in CESKOSLOV. has a smal bulge, the second
    E has a small dot.
4. First 1 and 9 are connected by a small broken line.
5. The second 9 in 1919 is cut.
Overprint G - type II.
The height of  the overprint is 16,0 mm, the length is 24,0 mm.
The height of the letters is 3,0 mm, the angle is 36º.
1. The axle of T pass through the centre of  O and is a axle of 9.
2. The vertical distance between POSTA and CESKOSLOVENSKA
    is 2,9 mm and between CESKOSLOVENSKA and 1919 2,9 mm.
3. The second O in CESKOSLOV. has a small bulge and is broken at the
    top, the second E has a small dot.
4. First 1 and 9 are connected by a small broken line.
5. The second 9 in 1919 is cut.
Overprint G - type III.
The height of  the overprint is 16,0 mm, the length is 24,0 mm.
The height of the letters is 3,0 mm, the angle is 36º.
1. The axle of T pass through the centre of  O and touch the right side of  9.
2. The vertical distance between POSTA and CESKOSLOVENSKA
    is 2,8 mm and between CESKOSLOVENSKA and 1919 3,0 mm.

3. The second O in CESKOSLOV. has a small bulge, the second E
   has a small dot.
4. First 1 and 9 are connected by a small broken line.
5. The second 9 in 1919 is cut.

Overprint G - type IV.

The height of  the overprint is 16,0 mm, the length is 24,0 mm.
The height of the letters is 3,0 mm, the angle is 35º.
1. The axle of T pass through the centre of  O and pass between 9 and 1.
2. The vertical distance between POSTA and CESKOSLOVENSKA
    is 2,9 mm and between CESKOSLOVENSKA and 1919 2,9 mm.
3. The second O in CESKOSLOV. has a small bulge, the second E
    has a small dot.
4. First 1 and 9 are connected by a small broken line.
5. The second 9 in 1919 is not cut.