Definitions for "Cabinet Friction"
Keywords:  hairlines, obverse, slight, tray, wipe
Minor wear on the high points of an otherwise uncirculated numismatic piece which has been stored in a tray or cabinet. The wear is caused by rubbing when the tray or cabinet is moved and will adversely affect its value.
Sometimes a coin that looks in nearly mint condition but has a slight rub on it will be termed as suffering from 'Cabinet Friction'. In other words it's pretty much perfect but has a slight sign of friction on its surface that is probably due to the way it was stored and not wear from circulation.
Slight surface wear caused by friction between a coin and the tray or envelope in which it is contained.
Keywords:  abrasions, see
See abrasions.