Cifra types
1 1/2B
cifratip1.jpg (17952 bytes)
Type I      M & A close		 cifratip2.jpg (17896 bytes)
Type II   M & A further apart
25B
cifratip3.jpg (12951 bytes)
Small 25, R under 5		 cifratip4.jpg (12667 bytes)
Bigger 25, R left of 5

illustrations courtesy CMR 74