Composition of the series:  
30 out of 45 c. brown and black
60 to 1 L. green and black
1 L.su 2 L. purple and black
2 L.su 3 L. carmine and black
For a total of 4 stamps
                            
            30 out of 45 c. brown and black
60 to 1 L. green and black
1 L.su 2 L. purple and black
2 L.su 3 L. carmine and black
For a total of 4 stamps
    
            
            