1910-12 Mack, and I can't remember the info about it

But I believe the guy said that year, Mack made 3 of these, and I doubt the others still exist. 101 years later? We're lucky anything still exists
"Any and all photos taken on the museums property must include the wording: "By permission of the Motor Transport Museum, 31949 Highway 94, Campo, California, web site: http://www.motortransportmuseum.org"