1227
used GF (cancelled in black), GG (large margins except at top right where just clear), GH, GI (just clear at top right), each matched in red. S.G. Spec., 960

细节
used GF (cancelled in black), GG (large margins except at top right where just clear), GH, GI (just clear at top right), each matched in red. S.G. Spec., 960