Darn, I wish I’d kept my 1964 set of official Beatles dolls. I can still remember the cardboard box they came in marked with “Fragile” in green letters. A set of four was $3.77 at Woolworth’s. Each lad was a smidge over 4 inches tall with a full autograph on his musical instrument. They even had “real Beatle hair with lifelike expressions,” according to an old advertisement I found online. Owning a complete set of these meant you were the coolest kid on the block. Sadly, somewhere along the road from adolescence to puberty, I lost the Paul McCartney doll, meaning my neighborhood coolness level dropped exactly 25%. I still…