American Liquid Fire – Proofing Company ( Pyrolin ) – Delaware 1911

$69.95 – Other Industries A – B – Beautifully engraved certificate from American Liquid Fire-Proofing Company issued in 1911. This historic document has an ornate border around it with the company’s product, Pryolin in the center. This item is hand signed by the Company’s President and Secretary and is over 82 years old.

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