2-Blade Mini Copperhead Pocket Knife. Item #00519. 3-1/8 inches closed. 5-1/4 inches open. Made in USA. "Case XX USA * " (1 dot with lightning bolt S) and "52109X SS" tang stamps. Oval block letter "Case-XX" shield. Stainless Steel blades. Stag handle. Nickel Silver bolsters. Brass liner. With original box and paperwork.