Austrian Zwischengold Decorated Coin Glass Tumbler c1890

Description

Heading : Austrian Zwischengold coin glas tumbler
Period : Franz Joseph
Origin : Austria
Colour : Clear with black shwartzlot decoration and gilding
Bowl :  Twenty four facets on the external bowl with zwischengold engraved decoration featuring birds and fruiting vines. 1891 1 florin coin in the base featuring the portriat of Franz Josef (Austrio-Hungarian Emperor).
Pontil : Polished
Glass Type : Lead-free
Size :  8.4cm height. 6.7cm diameter
Condition : Very good. no chips or cracks. There has been some seepage of liquid between the two layers of glass and this has resulted in some strands of white bloom ( probably limescale)
Restoration : None
Weight: 245 grams

Zwischengold is a partcularly notable Germanic glassmaking technique involving casing decoration between two glasses. The interior glass is gilded externally. In this case it has also been engraved and schwartzlot decoration applied to the cuts within the veins of the leaves and feathers of the birds. The interior decorated tumbler is then affixed and cased within the external tumbler.

Franz Joseph was the uncle of the famous Archduke Franz Ferdinand (his heir) whose assasination was the flashpoint that started the First World War.