[ECONOMICS] SCACCIA, Sigismund (1564-1634). Tractatus de commerciis, et cambio. Geneva: Widerhold Herman, 1664. Lot including one of the earliest modern treatises on economic and banking theory reflecting seventeenth-century liberal ideas on credit, trade and exchange, and Ansaldi's classic on commercial and insurance law. Folio, (330 x 200mm). title page vignette, initials, head; and tailpieces, text in two columns (scattered browning, foxing, a few marginal tears). Bound in contemporary vellum, title inked to spine (wormholes to spine, some wear). Provenance: old underlining, contemporary ownership inscription to endpaper; contemporary ownership inscription to title-page [IN LOT WITH:] ANSALDI, Ansaldo (1651-1719). De commercio, et mercatura [BOUND WITH:] Tractatus duo de assecurationibus et proxenetis. Geneva: Tournes, 1751. 2 vols in one, folio, (367 x 226mm). allegorical vignette to title-page, initials, head-and tailpieces, text in two columns (marginal dampstaining, some spotting and browning, marginal tear to K5 not touching text). Contemporary vellum-backed carta rustica, spine lettered in manuscript, boards speckled (light wear). Provenance: ciphers to half-title and title-page, lawyer Clemente Persico (ex libris). (1)