Vintage Japan Sabre 677 acrylic pearl melon tester citrus pocket knife    •This is a vintage SABRE JAPAN Melon Tester #8 pocket knife that is in good condition.  It is 4.2" long closed and has a single bright and shiny 3.5" Stainless Steel spear point blade.  It has a silver liner and what appears to be nickel silver bolsters. 1.62 oz.