Watercolour.  Feldpost.  1917 Germany.

Pencil.  Postmarked Marburg, 26 Nov. 1909.

Ink.  Bombardment of Reims. Unposted.

Ink.  Friern Hospital.  Unposted, undated.

Pen & ink on printed card.  1918, UK.

Ink, watercolour.  Circa 1910, USA.  Unposted.

Watercolour.  Mexico, Missouri.  Circa 1950.

Pencil, ink.  Berlin 1912.

Pen & ink.  Postmarked 1947, Indianapolis.

Pen & ink, coloured pencil.  Unposted. Circa 1960.  Unsigned.