by Laura Chesters and Roland Arkell
Among the works on offer at the Paper Jam show was Alexander Calder’s gouache and ink on paper Balloons, 1968, 2ft 7in x 23in (78 x 58cm).
Auction house Bonhams has raised its buyer’s premium levels, adding a new threshold of 27.5% on the first £2500/$3000 of the hammer price.