Pencil.  1907, France.

Tempera.  Postmarked 1916, Germany.

Pen & ink, watercolour.  Postmarked Altona-Ottensen, 1914.

Watercolour, ink, scalloped paper.  Circa 1915, Germany.  Feldpost.

Watercolour, ink, scalloped paper.  Circa 1915, Germany.  Feldpost.

A poor sinner.  Zwickau 1915.  Campaign 1914-15.  Germany.

Pencil.  Postmarked 1916, Charlottenberg, Germany.

Pencil.  1915 Austria-Hungary.  Feldpost.

Gouache, ink.  Circa 1915, Germany.  Feldpost.

Coloured pencil.  Postmarked 1944, Rochlitz, Germany.