Mike&Oats

can you date serial number A91537?

This came out of a high school that used to have a forge class, circa 1913. I suspect this came out lab. It's pretty badly abused, as you can see. It's like every kid in class took a swipe at the horn, for the last 100 yrs. It bears resemblance to another Trenton anvil, being the separate top plate and location of the stamped weight and serial number. Hoping I'm lucky on this. Assuming this is a Trenton, what does the serial number A91537 mean?

Gentlemen, Thank you.

Actually, my grandfather's anvil. Trenton serial number 196615 250 lbs German or USA? Any info would be appreciated. Thanks!