Just picked up a Sigma today without a single scratch on it. I was also surprised to find no wear marks anywear. Feed ramp is clean,barrel is clean inside and out. No wear marks from the slide. Seems like some one bough this and stored it away. Anyways, i would like to get an age on the gun. Can you tell by the serial number? Never have bought a gun this old. My 457 two tone was easy to date
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