A renowned bloodstock agent, Donato Lanni is a familiar sight at Thoroughbred auctions, regularly inspecting and later bidding on young equine prospects. On Nov. 14 during the Keeneland November Horses of Racing Age Sale, he also did his share of observing as five horses he co-owned sold. Among these was the Grovendale-consigned Tripolina , Hip 4231, who sold to Flatland Racing for $245,000. The 3-year-old Constitution filly out of the Street Boss mare Ballykiss recently showed in the Nov. 9 Bessarabian Stakes (G3) at Woodbine just days before she arrived at the sale. Last year at age 2 she took the Display Stakes at Woodbine.