- My M66 20g mod choke has a 201xxx serial. No clue of its age, but it does have the 1960s rubber/plastic buttstock cover which is the same as my 1965 Featherlight, this also differs from my '74 Featherlight.
- Ithaca & SKB was founded in Ithaca, New York, United States in 1880, and manufactured some of the popular shotguns and rifles. Shop Ithaca & SKB Gun Parts.
Ithaca Serial Numbers Shotgun
![Ithaca M 66 Serial Numbers Ithaca M 66 Serial Numbers](/uploads/1/3/4/7/134783462/913998642.jpg)
Ithaca M 66 Serial Numbers Online
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