Overprint A

Overprint A has two types and two under types.
This overprint was used on stamps Trojan / Pofis 33 - 51


Overprint A - type I.

The height of the overprint is 18,5 mm, the length 27,5 mm.
The height of the letters is 4,0 mm, the angle is 55.
1. The hook over S in POSTA looks like a heart and is 
    placed close to the S.
2. The axle of V is exactly in axle of T and passes through the left
    curve of 9.
3. The second 9 in 1919 is cut.

Overprint A - under type Ia.

1. The hook over S in POSTA looks like a heart and is placed
    close to the S.
2. The axle of V is exactly in axle of T and passes through the left
    curve of 9.
3. The second 9 in 1919 is not cut.

Overprint A - under type II.

The height of the overprint is 18,8 mm, the length 27,5 mm.
The height of the letters is 4,0 mm, the angle is 55.
1. The hook over S in POSTA is of different type and is placed
    higher and to the right.
2. The axle of V is in the right part of T and partially in the right
    curve of 9.
3. The second 9 in 1919 is cut.

Overprint A - under type IIa.

1. + 2. same as type II.
3. The second 9 in 1919 is not cut.