Peace treaties 17th century 2 works in one volume

PEACE TREATY. AVAUX, CLAUDE DE MESMES. Exemplum literarum ad Serenissimum Daniae et Norvegiae regem a Gallico per Germaniam legato scriptarum circa tractatus pacis. Epistola de tractatibus pacis. Amstelodami, 1642.
Small 4to.(2), 21 pp.
Literae sive declaratio regis Hungariae ad regem Daniae super tractatu praeliminarium Hamburgi concluso,... No place or date (1642).
23 pp.
Later paper binding. Bookplate of Gunnar Lundberg and his name on inside of covers. Stamp of Institut Tessin Paris on title and on verso of title, also on last blank page. 2 works in one volume.

Worn binding. Some spotting, stamps.