Re: IJ O/U
The gun was imported 1973-1978 and was officially named the 'Silver Shadow.'
Iver Johnson had just been purchased by Lou Imperato who at that time owned a firearms importing business in New York called LA Distributing. In 1974, Imperato moved LA Distributing and combined it with Iver Johnson in Fitchburg, MA. Most of Iver Johnson's product line during this time was imports, like your shotgun.
In 1977, Lou purchased most of the assets of the Plainfield Machine Company and moved Iver Johnson to that facility in Middlesex, NJ. Production turned to more in-house stuff like the Plainfield M1 carbine line and a lot of the import lines were dropped. Lou, by the way, also established the current Henry Repeating Arms that his son Anthony runs today. Lou died in 2007.
Marocchi Armi guns are alive and well today in Brescia, Italy. They no longer make entry level shotguns, at least none imported into the US that I could find.
Lou Imperato, from Henry Repeating Arms website, and the IJ Silver Shadow:
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