Literature, philatelistic, EUROPE. Schäfer, R., "Handbuch Auslandsverkehr – Schweiz Italienische, Österreichische und Deutsche Staaten – Transit 1798 – 1850". Handbook of postal relations and transit mail between Switzerland and Italian, Austrian and German states 1798–1850. Limited and numbered edition of 200 copies, art paper and with 825 colour illustrations. Incl. maps, a valuation guide for covers, and a postmark catalogue with prices in Swiss Francs. A must have for all collectors of early European mail exchange. New in plastic.