Composition of the series:
10c. on 15c. grey
20c. on 25c. light blue
25c. on 45c. olive
25c. on 60c. blue overprint 1st type
25c. on 60c. blue overprint 2nd type
30c. on 50c. violet
30c. on 55c. brown violet
1.75 L. out of 10 L. olive and pink
For a total of 8 stamps
The 2nd type overprint differs from the 1st type in that the bars are narrower and shorter