It's the 765 by a nose, with the 1225 placing, and the coventioneers, locals, and railfans enjoying the show. The occasion was the 1991 NRHS National Convention, hosted by the Collis P. Huntington Chapter.
The Van Swearingen Brothers standarized freight power for their railroads with nearly identical 2-8-4 Berkshires. Two of these engines are still in excursion service.