Four etchings.

Various sizes, various paper, some signed in the plate.

Loose sheets.

1. "Canal [...]". 16,5 x 19,7 cm, thin laid paper, pencil signed on lower right corner, artist's proof (min. creases along margin). - 2. "Le chemin de campagne". 17,5 x 21 cm, wove paper (Arches), pencil signed on lower right corner and numbered "B", signed in the plate "apol". - 3. Windmill. 16,5 x 19,5 cm, wove paper, pencil signed at lower right, numbered 3/50, signed and dated in the plate "Apol [19]38". - 4. "Petit canal en Flandre". 12,1 x 16,2 cm, wove paper, pencil signed on lower right corner, numbered 18/100 (foxing).