Pair of large crystal wedding stemmed glasses engraved with a vine monogram, 19th century

Pair of large stemmed glasses known as wedding glasses, in cut and engraved crystal, decorated with two different monograms (initials of the bride and groom) as well as ears of wheat, vine leaves and bunches of grapes, from the 19th century.
These glasses are in good condition. Superb quality.
Please note: minor scratches and wear and tear, see photos.