Seller: leerhere (195) 100%, Location: San Jose, California, Ships to: US, Item: 172408857869 I only know this to be a very old two layer drafting set. Very nice condition for it's age. No key. An excellent find for an draftsman/architect reminiscing days gone by. *** Please check my many other listings. Natural gemstones, vintage staight razors, 18K gentleman's watches, vintage boxes, natural amber prayer beads (malas), Thai Buddha amulets and more.