Archduke Josef Ferdinand Salvator 24.5.1872 Salzburg to 26.8.1942 Vienna; Field Marshal Lieutenant (General) and ballooning pioneer, see his entry in the OeBL.
Small watercolor, probably copy after (original by?) Oskar Brüch 1914, according to auction catalog Dorotheum Vienna signed J. Q. Ɑdams (not recognizable in image).
CATALOG ENTRY IN PROGRESS...
1994 auction Dorotheum Vienna 8.3.1994 Lot 77.
Unknown private collection (Austria?).