Ben Cooper Company's 1964 flannel-and-rayon costumes, masks painted by artist Frank Romano, let kids trick-or-treat as any of the Fab Four — though shipping boxes always held 5 Paul, 4 Ringo, 2 George, and just 1 John, making his costume the rarest today. Per Nat Cooper's son Ira, the colorful smock design wasn't mandated by the licensor— just a bet that bright stripes would outsell a dull suit on store shelves.