Overprint B
group "a"

This overprint was used on special delivery stamps. 
Catalogue number Pofis /
Trojan 55 and 56. 



Overprint B  group "a"  type I.


The
height of the overprint is 10,5 mm, the length 20,5 mm. 
The
height of the letters is 2,6 mm, the angle 0º. 
1. The
axle of T passes between O and V and between 1 and 9. 
2.
The vertical distance between CESKOSLOVENSKA and 1919 is 1 mm. 
3.
In the left part of K is a cut, in the upper part of S 
is a deep cut. 
4. The
hook over C and the stretch over A touch the letters. 
5. The
second 9 in 1919 is cut. 


Overprint B  group "a"  type II.


The height
of the overprint is 10,5 mm, the length 20,5 mm. 
The
height of the letters is 2,6 mm, the angle 0º. 
1. The
axle of T touch the left part of V and 9. 
2.
The vertical distance between CESKOSLOVENSKA and 1919 
is 1,2 mm. 
3.
The K is without the cut, no cut in S. The middle stretch 
of E is longer 
4. The
hook over C and the stretch over A touch the letters. 
5. The
letter A is more closed (than in type III) 
6. The
second 9 in 1919 is
cut. 
7. In
POSTA is a small dot between O and S. 


Overprint B  group "a"  type III.


The height
of the overprint is 10,5 mm, the length 20,5 mm. 
The
height of the letters is 2,6 mm, the angle 0º. 
1. The
axle of T nearly passes the left part of V and touches 
the second 9. 
2. The
vertical distance between CESKOSLOVENSKA and 1919 
is 0,9 mm. 
3. The K
is without the cut, no cut in S. 
4. The
hook over C and the stretch over A are placed near to the letters. 
5. The letter A is more
open (than type II)

6. The second 9 in 1919
is cut. 












