Set of 27 etchings of the 17th century from two different series: Merian after Antonio Tempesta (1555-1630), 14 sheets from the set ''Imp. C. Iulii Caesaris praecipuae res bello gestae'', with many-figured battle scene and written margin, margin stained, each behind passepartout, as well as 13 etchings by Merian (? to the ''antiquitates judaicae'' by Flavius Josephus, each behind passepartout to 43 x 30 cmPainting graphic before 1800