FIVE BOHEMIAN ENGRAVED COLOUR-TWIST WINE-GLASSES, the flared funnel bowls engraved with amatory scenes including Cupid holding a caduseus, within shaped oval cartouches flanked by foliage and with inscriptions above, the borders with laub-und-bandekwerk, the stems with a cushion knop above wrythen-moulded shoulder-knopped sections enclosing a single red thread, the conical feet with a band of foliage, second quarter of the 18th century