Aerofiles web site gives the registration as C5782
Some references give MR-1 as the model number others give MR-1 as the serial number. Built from a Fokker D-7. Note with photo indicates it was built for the 1925 National Air Race. Second place in the "On-to-New York" race piloted by WWI ace E. L. Remlin.
150 hp Curtiss K-6
NASM Photo (NASM 00073667 with permission)
This aircraft is also identified at aerofiles.com as the Rogers Monoplane.
