Answer: callingcard

AnswerCrossword Clue
CALLINGCARDMemento of a salesman's visit
CALLINGCARDThe Lone Ranger's silver bullet, e.g.
CALLINGCARDZ, to Zorro
CALLINGCARDTrademark
CALLINGCARDItem of etiquette.
CALLINGCARDHilarious Mister Bell?
CALLINGCARDHumorist on the phone?
CALLINGCARDOld-fashioned introduction
CALLINGCARD"Hi. It's me. Mark McGwire."