Mar 20, 2025 · Heisey’s mark is known as the “Diamond H,” which also is the company’s logo. George D. Heisey designed the mark, inspired by his college fraternity’s diamond symbol. The …

The Heisey Glass Museum is the premier destination for all things related to the fine glassware made in America by A.H Heisey & Co. Open 10AM to 4PM | Tuesday-Saturday 740-345-2932

This mark is found on the bottom of most large pieces and on the base or stem of drinking glasses and compotes. Heisey glass is highly collectible and widely available in antique stores across …

It has what some people have mistaken to be the Heisey Diamond H on the bottom, but the mark can best be described as an H in a square turned on its corner. The Heisey trademark is …

Dec 16, 2007 · The Heisey mark is really a capital H inside a diamond or Diamond H pattern similar to the image above from the National Heisey Glass Museum. Because of its …

Oct 19, 2019 · The National Heisey Glass Museum website states that all pieces of Heisey were marked when they left the factory. Many had the famous capital H within a diamond mark in a …

Heisey Glass syrup jug, around 1910. below: Heisey trademark used on pressed glass from about 1900. Also used without the H. Heisey Glass: A short explanation: Heisey Glass was …

In order to recognize Heisey without marks or labels, collectors need to research the wealth of material that has been written on Heisey. The Heisey Museum in Newark, Ohio, can assist the …

Learn the art of identifying genuine Heisey pieces, effective ways to preserve them, and tactics to expand your collection. Discover what sets Heisey Glass apart in the annals of glassmaking …

Shop for-and learn about-Vintage Heisey Glassware. After leaving the Union army as a Major after the Civil War, A.H. Heisey spent his adult life working in...