A rock crystal cup with enamelled silver-gilt mounts, Karl Rossler, and a dish, both Vienna, circa 1900

the bowl, stem and foot profusely engraved with birds amid scrollwork within wide borders pierced and decorated in bright opaque and translucent enamels with masks and leafy scrolls, maker’s mark, town marks; the cut-cornered rectangular dish composed of similarly-decorated rock crystal panels contained within enamelled silver-gilt cagework mounts, the outer interstices applied with cherub heads, openwork mask and scroll handles, apparently unmarked