Carborundum Topper Sign

Made in U.S.A. 1910s. Double-sided painted metal (DSPM). Die-cut. Stunning graphics framing the view are an iconic early 20th-century Native American chief with a banner that reads "Hardest and Sharpest", referencing the industrial grit and abrasive products that built the Carborundum brand's reputation right near the falls in Niagara Falls, New York. Carborundum is a brand name for silicon carbide (SiC), a synthetic crystalline compound made of silicon and carbon. Discovered in 1891 by American inventor Edward G. Acheson while attempting to create artificial diamonds, it was revolutionary as one of the first man-made super-abrasives. Marked, 'HAEUSERMANN M.M. CO. LITHO. N.Y. - CHI.", lower edge. Authenticated by The Authentication Company (TAC #502076). All items are guaranteed authentic by Miller & Miller Auctions. All purchases are eligible for free delivery to the Winter Dixie Gas & Oil Show on December 4, 2026 and the Red Deer Swap Meet on April 30 - May 1, 2027. From the Tony Andrews Collection.

Stima:317,67€

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