Christie's charge a buyer's premium of 20.825% of the hammer price for lots with values up to NLG 200,000. If the hammer price exceeds the NLG 200,000 then the premium is calculated at 20.825% of the first NLG 200,000 plus 11.9% of any amount in excess of NLG 200,000.
David and Louisa Buttle for three pairs
David Buttle was appointed superintendent of the Antofagasta and Bolivia Railway Company in Chile in 1907. He and his wife travelled in Peru and Bolivia and returned to England in 1925