U-57 MACOMB porcelain insulators .... variants
By Timothy M. Baggett; posted April 1, 2022
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U-57 MACOMB porcelain insulators, All dry process. Typical MACOMB glaze #a2431 Lower center embossed. Vnm. $10.00 #a2432 Upper center embossed. Vnm $10.00 #a2433 No markings. Typical MACOMB glaze. Vnm $10.00 Shipping is extra. |