used QA; State 1 and in red State 1 (pre-provisional, just clear/touched at left) and 2 (two, one creased); QB State 1 and in red States 1 (pre-provisional, cut-into and faults) and 2; QC with constant variety, States 1 and 2 (provisional, cancelled in black) and in red States 1 (pre-provisional, faults) and 2. S.G. Spec., #2,835