R Gray ( - ) is a painter. R Gray s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 246.4 USD for Portrait of Mary McAlpine, later Mrs Bell, seated three quarter length, with her pet Dog and wearing a dark blue dress and gold in 2009 to 862.39 USD for Portrait of Sir Robert McAlpine seated three-quarter length, at a table, wearin