Maybe emblems and/or decals too but Weaver Chev Oil City indeed used plate frames, here's a pic of one below if it works.
Especially if using it on the Olds Ryan, there's a few other a Weaver dealers including these below frames currently on eBay.
[img]<<GRAEMLIN_URL>>/beers.gif[/img]
~ Pete
http://www.ebay.com/itm/WEAVER-MOTORS-SA...=item233c016eba
http://www.ebay.com/itm/Grass-Valley-Wea...=item2c609d974f
