I picked this up last week at a little antique consignment shop while on vacation in Frankfort, Mich. for $10.00. It's a Disston 112 with a medallion that dates it between 1917 and 1940. I was able to narrow that down to early '20's after doing a little research on the Disstonian Institute website. The 112 is a skew back version of the number 12 and Disston revised the name to 'D-12' and 'D-112' around 1928. An unusual feature of this particular saw is the mahogany handle; apple wood was the primary material used for handles but I found that in the '20's Disston made some of the 12 series saws with mahogany handles as ship builder rip saws. I was fortunate to find the etching still intact on the blade. I first scraped away some of the rust and then used 400 grit wet/dry paper to get down to the etching. Eventually I'll finish cleaning it up and get it sharpened.