Two wine bottles, early 18th century and later, one of onion shape, of a pale green hue, the other

Two wine bottles, early 18th century and later, one of onion shape, of a pale green hue, the other applied with a seal embossed 'CONSTANTIA WYN' and dated 1835, 29cm max. (2)

Constantia was a South African dessert wine that was widely exported to Europe during the 18th and 19th centuries. It is referenced in Jane Austen's Sense and Sensibility when Mrs Jennings recommends for Marianne a glass of "finest old Constantia wine" to cure her broken heart.