Eisch Glassworks
Eisch: glass craftsmanship and art from Frauenau
Eisch has its roots in Valentin Eisch’s glass-finishing workshop, founded in Frauenau, Bavaria, in 1946. Distinguish the brand from his son Erwin Eisch’s independent artistic practice. An ordinary Eisch product is not automatically a personal artwork by Erwin.
From finishing workshop to glassworks
The Achilles Foundation describes Erwin returning to his family in 1952 and helping build and operate a small glassworks. The workshop could now make its own undecorated glass. Establishing the finishing workshop and starting glass melting were therefore separate historical events.
Art challenging the functional vessel
The foundation discusses Erwin’s beer-mug works of the 1970s: recognisable mug forms transformed by artistic interventions so they no longer function as ordinary drinking vessels. This distinguishes the art object from functional tableware.
The Metropolitan Museum of Art holds Hommage à Picasso: Blind and Lost, dated 1985, recorded as glass with Erwin Eisch as designer, object number 1998.536. Its title refers to Picasso, but the work is by Eisch. The museum record dates this particular work, not another edition or variant.
Describe manufacture and decoration separately
Manufacturer information checked in November 2026 distinguishes finishing at Frauenau from the production of undecorated glass at Zwiesel or partner glassworks in Europe. This describes current production, not the entire history. “Decorated at Eisch” and “blown in Frauenau” are therefore not interchangeable.
Identifying an Eisch object
Our practical advice: compare shape, dimensions, marks and decoration with documentation for the model. Note whether information comes from the object, original packaging or a later seller’s description. Distinguish a brand name from an artist’s signature and a model number from a manufacturing date.
Keep receipts and earlier photographs as part of the ownership history. Photograph worn decoration and damage to rim and foot. Do not describe worn decoration as a deliberate artistic effect without model evidence.
Next step
Browse OBA’s glass and crystal. Establish the identity and documentation of a signed art object before comparing it with ordinary table glass.
Sources
Eisch: produksjon og historie; Achilles-Stiftung: Erwin Eisch; The Met: Hommage à Picasso, 1998.536; Bild-Werk Frauenau: Erwin Eisch.
