No makers marks. Wood nails on surface, hinges aged, original swing arms to support drop leafs, uneven original joints, modern braces on underside, wood shows natural flaws not comparable to factory manufactured, workmanship shows signs of uneven cuts not comparable to factory manufactured. Type of wood ( I believe Cherry) not prevalent in Midwest for furniture construction.

40.5” long, 18.5” wide ( unopened), 43” wide ( both leafs open), 28.5” tall