Bejewelled Mughal-era glasses expected to fetch up to $3.5 million at auction

The glasses were commissioned by an unknown 17th century prince, auction house Sotheby's said, with the precious stone lenses believed to boost spiritual enlightenment.

Two pairs of bejewelled Mughal-era spectacles set with diamond and emerald lenses are expected to fetch up to $3.5 million each when they are auctioned in London on Wednesday.

The glasses were commissioned by an unknown 17th century prince, auction house Sotheby's said, with the precious stone lenses believed to boost spiritual enlightenment.