A set of three Italian reverse glass paintings

A set of three Italian reverse glass paintings, depicting scenes from the life of Joseph, titled 'GIUSEPPE VENDUTO', 'GIUSEPPE USCITO DELLA GISTERNA' AND 'LA TASSA TROVATA NEL SACCO DI BENEAMINO', probably Southern Italy, late 18th century, 34.5 x 44cm, in moulded ebonised frames, the verso of each with a printed paper label for 'THOS AGNEW & SONS'. (3)

Provenance: From the collection of John Newall Esq.