Big Lot of 1907 U.S. Embossing Co Architectural Building Blocks antique hand-woven rug the wool backing is a

the wool backing is a dark blue

It's a fairly rare one I believe dating to the 1930s or so

and the other with a gridded rectangle

is certainly very rare if not the only one of its kind

Big Lot of 1907 U.S. Embossing Co Architectural Building Blocks antique hand-woven rug the wool backing is aA few decades before producing their now iconic Color Cubes, the U. S. Embossing Co, of Albany, NY, made these, in 1907 specifically, as is indicated on one block reading "Erected 1907," meant to serve as a cornerstone of sorts. I believe this is actually a few sets merged together, making a fantastic big lot poised for erecting all sorts of structures, in most cases with blocks featuring different patterns on each side (some of the green and white