Thank you for that info. Joe.Those are super finds!Here are some similar types--
https://www.worthpoint.com/worthopedia/antique-1903-registered-motor-vehicle-293995070
sold for $331
https://www.worthpoint.com/worthopedia/rarest-antique-license-plate-1909-1833005632
sold for $168
https://www.worthpoint.com/worthopedia/1910-automobile-brass-vehicle-license-plate-tag-3
sold for $156