Antique Miniature of Miguera Depicting Padua

Antique miniature depicting a landscape with houses, fortifications, and an animated scene. Human figures fleeing/chasing on a roof; man being chased; figure on a tower (trumpet/rifle?). Medieval tower of Padua (later astronomical observatory?). Circular watercolor, diameter approx. 7 cm. Inscribed/signed at the bottom: 'Miquera' or 'Miguera?'