18ct gold 'Tubogas' bangle, Carlo Weingrill, the wide sprung cuff designed as a series of flattened gaspipe links, weight approximately 130.70 grams, width approximately 30 mm, Italian assay and maker's marks, signed Weingrill. Other Notes, the house of Weingrill is the oldest jewellery workshop in Verona, Italy and remains the only gold workshop to remain un-mechanized; everything is handmade