Herring’s Patent Champion Fire-Proof Safes

What it says

Herring's Patent Champion Fire-Proof Safes. Nearly 25,000 Herring's Safes have been made and sold, and over 500 have passed triumphantly through accidental Fires ... saved for the New York Exchange Bank no less than HALF A MILLION OF DOLLARS.

Nearly 25,000 safes sold by 1862. Five years later, as our Herring article notes, the claim had grown to more than thirty thousand.

Source: Internet Archive (American Gas-Light Journal, microfilm scan) · Public domain