© National Portrait Gallery, London
Thomas Martyn with 'View of King's College Chapel, the Public Library and Senate House'
by Giovanni Vendramini, published by Robert John Thornton, after John Russell
stipple engraving, published 1 June 1799
18 3/4 in. x 12 7/8 in. (475 mm x 328 mm) paper size
acquired unknown source, 1964