when i bought my new place im at now me and my wife found a griswald skillet and i looked it up on the net all i did was put in cast iron cookware ,griswald ,the part # and so on we did find it on a site and found out it was worht $150.00 and we have found other stuff too but i havent looked it up but i would say just try wording you search all kinds of ways and you will find them let us know what there worth and good luck