Brian Propp 2xSigned Flyers CCM Jersey w/ Multiple Inscriptions (Beckett)CCM on ice style jersey. Everything is sewn on, size 50. Hand signed twice (Front & Back) by Brian Propp (Philadelphia Flyers). Propp was known for his unique goal celebration dubbed "The Guffaw". After scoring a goal, Propp would skate towards center ice, place his right glove under his left arm and raise his right arm in a waving fashion. While making the gesture, Propp would say, "Guffaw!" Propp credits the celebration to comedian Howie Mandel.