THE DOUBLE GUN JOURNAL ran two articles on the Tobin, many years ago, in Spring 1994 issue (Vol.5, Issue 1) & the Spring 1997 issue (Vol.8, Issue 1) - and the magazine has a classified section.
The author's name was David J. Noreen.
If it were my gun, I would contact them, and place the F/S ad there also.
http://www.doublegunshop.com/doublegunjournal.htm
There were several model names/numbers/grades, different for both the Norwich, CT and the Woodstock, Ontario guns.
The Norwich guns were the Standard #20, Expert #30, Featherweight #40, Premium #45, Trap #21, Special Pigeon #50, Model #55, and Model #60.
The Canadian guns were the Leader #25 hammer gun, Standard #40, Black Diamond #55, Trap #70, Pigeon #100, Model #200, and the Regal #250.
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