CH (Chicago) cup is moderately deep and straight-sided. It's dark and very even across the registers.
CH (Chicago) rim is medium wide and provides good comfort and support. It has a #14 throat and works well with most medium and medium-wide bell instruments.
 
C (New York) cup is similar to a Giardinelli C10. It works well with wide bell tapers and allows the player to produce a massive sound.
 
L (London) cup is a medium cup and has a more pronounced curve and a #14 throat. It works well with most medium and wide bell instruments and produces a bright, ringing sound. 
LS75 rim, slightly rounder.