A Vienna Sorgenthal period cup and saucer, circa 1799-1800The cup painted by Anton Kothgasser with a medallion depicting a putto and two swans between reeds at a riverbank surrounded by a gilt band, both cup and saucer with a grey-ground border of white zig-zag enclosing green flowerheads above a gilt foliate border, shield marks in underglaze-blue, painter's mark 96., impressed date marks, impressed numerals (minor wear to gilding) (2)