Mauser “Deutsche Sportmodel”, .22 long rifle cal. single shot bolt action rifle.  Serial #3888, mfg. Germany.  Very good condition.  .22 cal. bolt rifle modeled after the famous K98!  26” barrel has excellent bore.  Barrel and receiver have 60% original blue.  All matching numbers.  Trigger guard and barrel hardware have nice high lustre blue.  Stock has numerous light handling marks.   Beautifully made!  C&R OK.