To my knowledge the company is Real Good Toys, and the house is the Newport style. The scale is 1:12. Some furniture and dolls included, as shown in the last picture.
There is a loose wall and wallpaper, but nothing is broken (see pics). Located in Iron Mountain Michigan 49801 (sister city to Kingsford 49802). The item "Real Good Toys Newport Vintage Dollhouse 1980 112 Scale Made From Kit" is in sale since Friday, December 24, 2021.This item is in the category "Dolls & Bears\Dollhouse Miniatures\Dollhouses & Room Boxes". The seller is "kingstonsalvage" and is located in Kingsford, Michigan. This item can't be shipped, the buyer must pick up the item.