78/3773 Bos, J. (1926-2000). "Wagensporen Leusderhei". Watercolour and black crayon, 16,7x24 cm., signed and titled on verso, under passepartout, "Spoor" in pencil on passepartout. - AND 3 other watercolours by the same, all depicting birds and signed (on verso) in pencil.

- All sl. yellowed.