Six Universal fire plugs! Porcelain patent April 12, 1910

By Bob Berry; posted May 15, 2018

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Here are six Universal Fireplug insulators as follows -- actual postage additional:

Tough small version embossed: UNIVERSAL / 1001 // PAT / APR 12 10 -- under ear chip and couple base flakes -- $10

embossed: UNIVERSAL / 1002 // PATENTED / APR 12 1910 -- base flake -- $10

embossed: UNIVERSAL / 1002 // PATENTED / APR 12 1910 -- couple base flakes -- $7

embossed: UNIVERSAL / 1003 // PATENTED / APR 12 1910 -- VNM -- $12

No markings -- VNM -- $10

embossed: UNIVERSAL / 1002 // PATENTED / APR 12 1910 -- base chips -- $5

Take all six for $45

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