Punch Error: philatelic term for a deviation caused by a punch error
Pair With Punch and With Missing Punch: pair one stamp caused by an error without punch
Inverted Punch: postage stamp caused by an error with 180 degrees rotated punch
Double Punch: postage stamp caused by an error punched twice
Double Punch One Inverted: postage stamp caused by an error punched twice one 180 degrees rotated