White, R. H.: Color in Philately (publ. by the Philatelic Foundation, New York 1979), 173 pages, 16 full colour plates and numerous charts together with an insert supplement of six colour charts covering 625 colours and six charts providing colour names to match. buckram hardbound, in good condition: PLUS: Kornerup, A. / Wanscher, J. H.: Methuen Handbook of Colour (3rd edition 1978), 252 pages incl. 1,266 colour samples on art paper, hardcover, excellent condition; PLUS: Baumann's Neue Farbentonkarte. System Prase (1912), 46 cards with 1,359 colour / shades, slipbox, good condition and very rare. Estimate: 400 Euro
