Study of a Spruce Tree
pencil
size: 19 x 20.5 cm
signed and dated, lower left: AG 1861

PROVENANCE:
Z. Michael Legutko, Lipert Gallery
The Barbara Piasecka Johnson Collection, 1991.

Study of Architectural Ruins
pencil
size: 21 x 28.5 cm
signed and dated, lower right: AG 1860

PROVENANCE:
Z. Michael Legutko, Lipert Gallery
The Barbara Piasecka Johnson Collection, 1991.