The listing, 1972 Quarter - no mint mark - Blue/Green Pink/Purple Toner has ended.
1972 Philadelphia Minted Quarter ( no mint mark )
mainly Blue Tones With Green Pink & Purple Also Visible depending on reflection angle of light
1965-1998
Washington Quarters
Designer: John Flanagan
Weight (grams): 5.78
Weight (grains): 88
Size: 24.3 mm.
Composition: Cupro-nickel; 75% Copper 25% Nickel
25 cents / Quarter Dollar Toner
Obverse: Washington Bust , Liberty , In god we trust
Reverse: Perched Eagle with Wings Spread , E Pluribus Unum
the silver quarter is not included in auction, it is just being used as a comparison piece.
Thanks for looking!