For your consideration, here is a 1987 Gamco Fire Assay Manual and Catalog, from the Gold Assay and Mining Equipment Company, priced at $2.50, 28 pages.  It has some wear and small spots on the covers.  There is an address label on the front cover.  The catalog will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (558.198o-.12hc)