In 1967-68 the Hourglass is playing at the whisky a go go often. these are a very rare ads. I collect everything Hourglass and I have never seen these ads anywhere else. out of dougs allman cave . ships to lower 48 states only. Bill graham loved the Hourglass. I love the Hourglass. The Big House is re-releasing the Hourglass albums this spring. the shirt is never worn and sold through the big house. the framed ads, and the hourglass shirt are sold together here in a beautiful display case .thanks doug mckee, owner of an allman acts museum . please bid