20th century imitator of SANO DI PIETRO

(1406 Siena 1481)Mary enthroned with a doner.Oil and gold ground on panel.93 × 44.7 cm.Provenance:
Private collection, Switzerland.

Condition:
Oil and gold ground on panel, slightly curved. Paint surface shows a degree of wear in places, with superficial soiling and fine craquelure. Older retouching and a fine vertical hairline crack in the lower left half are visible in places.
Under UV: several retouchings on the figures and in the background. Varnish fluoresces greenish.
Enganged in frame.