Austrian School 18th.Century. A most unusual watercolour drawing depicting soldiers guarding artillery in an military encampment. Executed on laid paper Circa 1770. Presented in a later (19th.Century) gilt gesso frame. Area of repair and retouching to lower right and some general age related wear. Small areas of repair to frame. 29 by 24 cms. Image. 36 by 31.5 cms. Overall in frame.