Antique French Opaline Glass Pitcher – Sky Blue, Handblown with Polished Pontil,
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Antique French Opaline Glass Pitcher – Sky Blue, Handblown with Polished Pontil, Manganese UV Reactive, c.1900–1920
This charming handblown French opaline glass pitcher showcases a soft sky-blue opaline hue with a silky semi-translucent glow that gently diffuses light through the glass. Under a 365 nm UV blacklight, it emits a vivid green fluorescence from manganese content — an element widely used in early 20th-century glassmaking as a clarifier and color stabilizer, long before uranium was common in decorative glass.
The piece likely originates from France, consistent with work by Portieux-Vallerysthal or Baccarat, both known for fine opaline tablewares and vanity pieces produced during the early 1900s.
It features a graceful baluster form, applied handle, and a polished pontil mark on the base — all signatures of true hand-finished craftsmanship.
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✨ Details
• Color: Sky Blue (Bleu Opalin)
• Material: Handblown opaline glass
• Glow: Bright green fluorescence under 365 nm UV from manganese content
• Dimensions: 4.25” H × 5” W (spout to handle)
• Base: Polished pontil mark
• Condition: Excellent vintage condition – no chips, cracks, or repairs. Minor air inclusions typical of early handblown glass.
• Era: Early 20th Century (circa 1900–1920)
• Origin: Likely France — possibly Baccarat or Portieux-Vallerysthal
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🕯 Collector Notes
An elegant example of classic French opaline craftsmanship, this small pitcher is perfect for display with other manganese-reactive
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