It was listed by Exhibit Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Exhibit Antiques has dated this piece to the 1800s.
Germany, c1802. Period of Francis II.
Condition
Excellent, age-related wear as shown.
Dimensions
Height: 13.6cm Bowl diameter: 6cm Foot diameter: 6.9cm.
Weight
121 grams
Technical Description
A rare blue Lauenstein wine glass. The round funnel bowl with a characteristic chamfered edge rests upon a knopped stem. The piece is supported by a conical foot with a polished pontil. The Lowen mark is engraved on the pontil of the glass.
..or seen...outside the Lauensteiner Glass book (see references below). An exceptionally rare example.

Historical Relevance
Hand-blown during the reign of Francis II, the last Holy Roman Emperor due to its dissolution in 1806 as a result of Napoleon’s victory over Austria at the Battle of Austerlitz on 2 December 1805.
Relevant References
Lauensteiner Glas, 1701-1827: Ein Beitrag zur Wirtschafts- und Kulturgeschichte Niedersachsens By Alheidis von Rohr - Page 125.
Exhibit Antiques has dated this piece to the 1800s.
Specialists in 18th & 19th century antique glass
You can view the stock and full dealer information on the Exhibit Antiques Profile Page