Dating heisey glass

Entering the glassware market among challenging competition, Heisey nevertheless rapidly advanced in the field thanks to their impeccably high quality of glass.

Many Heisey pieces were finished using the technique of firepolishing, which virtually guaranteed a remarkably smooth surface.

GLASS FACTORY INFO ~ Dating ~ Antique Bottles ~ Fruit Jars ~ Glass Electrical Insulators ~ Tableware ~ Articles about different kinds of Glassware ~ Manufacturers' Marks used by Glass Companies in the United States Typical “generic” amber “packer” bottle made by Illinois Glass Company, marked with “Diamond I” on base. resize=165,300&ssl=1" alt="Typical "generic" amber "packer" bottle made by Illinois Glass Company, marked with "Diamond I" on base. resize=165,300&is-pending-load=1#038;ssl=1" srcset="data:image/gif;base64, R0l GODlh AQABAIAAAAAAAP///y H5BAEAAAAALAAAAAABAAEAAAIBRAA7"Mark on bottom of amber bottle made by Illinois Glass Company. resize=640,539&ssl=1" alt="Mark on bottom of amber bottle made by Illinois Glass Company." width="640" height="539" data-recalc-dims="1" data-lazy-srcset="https://i2com/ During the earlier years, many of their bottles carried an “I. CO.” mark, and later an “I G CO inside a diamond” logo. This “Diamond I” mark was used by Illinois Glass from 1915 up to 1929, and is seen on many antique and vintage glass bottles.

As far as I know, the “I inside a diamond” mark is only seen on machine-made bottles ( with the exceptions of some very large hand-blown bottles, or special-order, limited-production items) which exhibit the typical Owens machine suction scars on the base.It is the Alexandrite that is one of the rarest Heisey colors to come by, yet any Heisey piece produced during these peak years that survives today should be considered a treasure.You may now see our list and photos of women who are in your area and meet your preferences.The end user company would have pasted their own private brand label on the side with a description of the contents.Often there would be no embossed markings on the bottle other than the logo seen on the very bottom.

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The Imperial Glass Company of Bellaire, Ohio, bought some of the molds and the rights to the trademark.

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