1724/1841 (ca.), group of covers, official documents and maps, some related to disinfection, with 1840 cover from Zante via Corfu to Venezia, handstamp "Sanita in Acona" on 1838 Corfu document, also an ex Officio signed Empress Maria Theresia with large embossed seal, some unused Venetian `Acque´ lettersheets, etc., a most ecclectic conglomerate in overall good condition