A Jean Betourne Studio Limoges enamel on copper painting, 20th century, the half length portrait of an 18th century young boy with long hair and a velvet jacket carrying a portfolio, in enamel colours on a convex copper plate, signed J. Betourne, Limoges lower left and housed in a velvet and tooled giltwood frame, Studio label verso. Height 11 cm. Width 6 cm