They don’t call themselves Coke Heads for obvious reasons. These hard-core aficionados of the once-cocaine-filled, über-caffeinated cola invented in 1886 by Atlanta pharmacist John Pemberton search far and wide to snap up everything bearing the beverage’s famous logo. At the Coca-Cola Collectors Show, fans can buy, sell and trade all manner of memorabilia, including signs, posters, serving trays, toys and calendars. They can also talk up the history and lore of “The Real Thing.” No word on if the Pepsi Posse has issued a challenge to throw down in the parking lot.

Fri., June 9, 9 a.m.-4 p.m.; Sat., June 10, 5-9 p.m.

Bob Ruggiero has been writing about music, books, visual arts and entertainment for the Houston Press since 1997, with an emphasis on Classic Rock. He used to have an incredible and luxurious mullet in...