Literature. David Feldman, eleven hardbound auction catalouges, 'Helveticus 1–2' (1991–92), 'Norway Konsortium 1' (1992), 'Mauritius The Ball Invitation Envelope' (cloth, 1997), 'Classic Romania' (cloth, 2006), 'The "Lady Hope" Collection' (cloth, 2003), 'The Collection IV–VII Greece' (cloth, 2004–06), 'Rarities of the World' (cloth, 2006). Approx. 7 kg.