9X23mm Winchester cartridge, finished blue with checkered wrap around factory composite grip.   The slide marked “COLT MKIV/ series 80” on the left side and “COLT GOVERNMENT MODEL” on the right.  In as new, unused original condition in it’s factory plastic box with  pamphlet.  The 9×23 cartridge was designed as a replacement for the .38 Super, eliminating the semi-rimmed case.