Fayette County Fair Lamb Prospect Show Posted: 21 Aug 2018 02:45 PM PDT The Fayette County Fair Lamb Prospect Show will be held September 1, 2018 at the Fayette County Fairgrounds in La Grange, Texas. Cost: $15 due at check in Lamb Check-in and Weigh-in: 8:00 – 9:00 am Show Begins: 10:00 am For rules and more information please see: Fayette County Fair Lamb Show.