Updated

A London art gallery says it is putting on sale two portraits by artist Andy Warhol, created to celebrate the wedding of Prince Charles and Princess Diana.

The Opera Gallery in London says it acquired the original artworks from a private collection and will be selling them as a diptych for 2 million pounds ($3.15 million.)

The central London gallery says Wednesday that the portraits — in silkscreen ink on canvas — were completed in 1982, shortly after the royal wedding.

They were initially sold to a private collector, and have not been up for sale again since.