Big Advance Sale of Tickets Reported—Hankinson To Conduct AAA EventsAdvance sale of tickets, invariably a true barometer of tlje size of a crowd, indicate that a throng of more than 15,000 will attend the pastern AAA dirt track champion-ship automobile race to be staged at the Altamont Fair Grounds half-mile oval on Memorial Day, when more than thirty of the leading fcpeed demons of the country compete under the Hankinson Speedway banner.One of the notable features about the advance sale is the quick move ment of box seat tickets. At the rate they are going now, officials say, box seats will be sold out entirely several days before the meet.Prospects of the greatest race ever held here is given for the big sale. Bob Sail, holder of the Eastern championship; Johnny H.annon, leader in the fight for Sail’s crown, and Billy Wfinn, the fair-haired Kan sas City youth-, who has been a repeated winner at the local track, are all expected to ride here.No one of the trio of headline makers in automobile racing has as yet signed up for the event. The reason for that is superstition, the plague of almost all of the speed pilots, who, no matter how daring they are behind the wheel of a race car, won’t flirt with hard luck by signing up one meet ahead.Winn, Hannon and Sail are scheduled to appear this week end at Reading, Pa., in the last champion-