No. 105342952

No. 105342952

Uranium crystal coaster made between 1908-1935 in glassworks Val Saint Lambert, Belgium.
Light aging and usage marks can be seen in the photos, which are part of the description.
No other significant defects otherwise. Great antique condition for it's age !
Strong reaction to long wave UV light (photographs of the fluorescent effect were made with a 365nm ultraviolet torch, the reaction is the same with a 395nm ultraviolet light.
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