LOW COUNTRIES -- ROTTERDAM -- "FORUM ARGENTARIUM ROTERODAMI". (Augsb., Probst, c. 1790). Engr. handcold. optical view of the Rotterdam Exchange. 275 x 400 mm. (Old hinge visible in upper margin, sm. stamp of 'Verzameling van Vollenhoven, Rotterdam' in lower left corner). Sixt v. Kapff K 238. -- "VIEW OF THE EXCHANGE the South and North Blaak taken from the Gaapers Bridge." Lond., (c. 1790). Engr. handcold. optical view of the Rotterdam Exchange. 235 x 393 mm. (Margins cut). -- (2).