8.25" Glass Vase 3 Panel With Rose and Starburst Pattern w/ Scalloped Lip

• Beautiful pressed glass vase with amazing clarity, design, and weight
• 3 panel construction creating 6 design repeats of roses and starbursts
• This vase has no chips or cracks and with barely detectable scratching on bottom surface
• Light grayish lavender coloration (discoloration?) throughout indicates the vase was made pre-1915 when manganese was used to replace lead. (Manganese caused a tint in the glass when allowed to be hit by sunlight. While I personally love the coloring, it is technically a flaw in antique glass and reduces the value among collectors.)
• Please see photos for details, and feel welcome to contact us for additional details

EAPG Trivia:

"... Lead has been used for centuries as a clarifying agent in making glass. In the 1860’s the formulas for American pressed glass changed & lead... began to be removed from the mix & manganese was substituted to make the glass brighter and to act as a stabilizer.

"In time, it was noticed that this glass made without lead but containing manganese was found to turn a very light lavender if placed in a sunny window or otherwise exposed over time to (ultraviolet) rays of the sun.

"At some unknown point, antique dealers... learned that by setting their old glass... wherever they could get a sunny exposure, they could turn the glass REALLY purple. If they set glass out and it turned purple, it proved to them and to their customers that the glass was, indeed, made prior to ca. 1915 when most, but not all, glass company’s ceased using manganese and substituted selenium as the clearing agent. Heisey, Duncan & Miller, Fostoria, Cambridge and Imperial glass companies are some exceptions." 

(Carder Steuben Glass Association Inc.; The Color Purple; 2015)