1862. London Herald, 27 Dec. Answers to Correspondents. Houses burdened with ninety years repairing leases and heavy ground rents are run up by the DUFFING builder, merely for sale.
1873. Times, Jan. We know now that so-called DUFFING jewellery is scattered far and wide over the land.
1877. W. H. THOMSON, Five Years Penal Servitude, iii. 239. A shise half-bull and a DUFFING tanner: half-a-crown and a sixpence quietly palmed off on this man out of his half-sovereign.