Talk:Royal Leerdam Crystal

Latest comment: 3 years ago by 77.61.180.106 in topic Graniver & Roccaver

Graniver & Roccaver edit

The factory used to produce (in the 1930s) artificial stone materials called Graniver and Roccaver which were produced by pressing and melting glass beads together. — Preceding unsigned comment added by 77.61.180.106 (talk) 13:22, 13 September 2020 (UTC)Reply