For what it's worth:
The CMP bands low number Springfields from their matches. Per rules they arn't allowed to be used.
That serial number looks altered to me. I'll just say, as a CMP GSM Master Instructor, if I saw it, I would not allow it to be used in a CMP Clinic or Match I was running.
CPT USAR Ret
USAMU Sniper School Oct '78
Distinguished Rifle Badge 1071