I have 3 Portuguese K98's as follows, all Portuguese (not German use), all NI and all not RC.
1937 date : Exc condition, appears to be un-issued. Serial No. C10290 with correct sling and unique muzzle cap.
1937 date : Well used, ex-Angola capture. Serial No. C11962
1941 date : Mint condition, un-issued, with original sling and matching numbered bayonet and scabbard, imported from Australia many years ago. Serial No. H7236