Three tougher to find S.F. marked insulators

By Bob Berry; posted March 20, 2026
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Insulator as follows -- actual postage additional

CD 102 S.F. -- aqua -- VNM -- $10

CD 102 S.F.-- yellow green -- VNM -- $30

CD 112 S.F. -- aqua -- small BB ding rear wire groove -- $45

Or take all three for $75

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