This antique glass plate large format film holder's interior dimension where the plate rests is 6 1/2 x 8 5/8''. Its exterior dimensions are 7 3/4'' at its widest and 10 1/8'' long not including the darkslide handles. There are a few scuffs, scratches, and some discoloration on its exterior. Please see photos. There is no maker's name on it.