PA Auction Center is pleased to announce the dispersal of Richard Grahams extensive sign and advertising collection. Graham has been an avid collector of advertising memorabilia for many years. This quality sale will be held Friday and Saturday, March 25 and 26. Day one will begin at noon and include approximately 625 lots of catalogued items followed by several hours of non-catalogued items. This session will include a large collection of pedal tractors. Day two will start at 9 a.m., with approximately 675 lots of catalogued items. Following the Graham advertising collection, there will be a short break, and at 7 p.m. a grouping of 14 Abner and Aaron Zook dioramas will cross the block. The two Amish artisans were identical twin brothers who resided much of their life in Womelsdorf, Pa. Their three-dimensional pieces are beautifully detailed representations of Amish life and very collectible today. The two-day sale will take place at the companys new facility at 1141 Wea Wit Street, East Earl, Pa. For further information, call 717-687-7018 or visit www.paauctioncenter.com.