Nitro,

I just now looked up my old Stoger's 1957 edition and found the Sarasquetas on page 41. Yours appears to be the model 13 standard. It was chambered up to and including the 375 and has relief hunting scene engraving. It sold for $450.00

The Deluxe 13 sold for a whopping $750.00 and could be ordered in about any caliber. The illustration shows the front trigger to be a set trigger. This is the model I shot 40 years ago. It had tripple lock up and scroll engraving.