Lot 524: Milein Cosman, German b.1921- ''Frog Serenade''; etching with hand colouring, signed, titled, inscri

Milein Cosman, German b.1921- ''Frog Serenade''; etching with hand colouring, signed, titled, inscribed, dated 1988 and numbered 6/30 in pencil, 10x15cm: together with one other by the same artist- Landscape with trees; etching, signed, dedicated, and inscribed AP, 9x14cm, (2) (may be subject to Droit de Suite)