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Old 05-21-2023, 08:30 AM
deweyinthehall deweyinthehall is offline
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Location: Ellicott City, MD
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On the 1966 7th Series - I'm building a set now, and am wondering about the reliability of all the "SP" designators floating around out there.

What is the prevailing wisdom on the layout of the other slit?

Last edited by deweyinthehall; 05-21-2023 at 08:35 AM.
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