Up for Buy-It-Now is a new old stock vent wing handle package,  Mopar part number 1450157.  According to my Mopar parts manuals, this is used on the following models and years:

1949-1953 Plymouth, Dodge, DeSoto & Chrysler (large button)

  Please note.  The original Mopar parts bag was listed as 1450156.  Someone has crossed out the 1450156 and changed it to 14500157.  Please verify that this is the larger button kit you need before bidding. The kit includes 5 parts. The kit is in brand new, never used condition and is free of any rust or damage.  The original Mopar parts bag is in good condition.
  Please feel free to E-mail me questions.  International bidders are always welcome.  Thanks for looking!!!