No. 100-200 USD or so.
No published sn data I am aware of.
Could have been Erma, Rohm, RG, Sauer or any of a half dozen others.
You will have to contact SIG and request a letter.
Check the frame
You will have to call Sig Sauer to find out
It was proofed in 06
1998 or so.
It was proofed in 2006
No published sn data.
8 yrs old
You will have to call SIG to find out.
You will have to call SIG