Springfield arms pocket revolver in cal 30 rimfire

Springfield arms pocket revolver in cal 30 rimfire. Flayderman P. 515, item 8A-170, No barrel markings. Some are known having no markings. Due to an infringement  of the Rolling white patent owned by S/W, the production had to be stopped,  the proeduced barrels which had not yet markings, were finished and sold as they were, the marked ones had an added marking MADE FOR SMITH WESSON,   Barrel has 70 % of the blue, orig. grips are fine, showing most of their varnish Silver on frame 95 %. Works fine, all original.