Auction Date:2010 Apr 15 @ 11:00 (UTC-4 : AST/EDT)
Location:Crowne Plaza Hotel. 401 South Van Brunt St, Englewood, New Jersey, 07631, United States
New York Division, 1920. Bonus certificate for exceptional work "Dayton Engineering Laboratories Division". Automobiles and Bi-plane vignettes w/ silver GM seal. Toning and stain in one corner. C.F. Kettering sig., Fine to VF. Scarce early GM related certificate.