LOT OF FOUR METAL AND ENAMEL ICONS, RUSSIA, XIXTH CENTURY Metal casting; defects Burning Bush, 10x9 cm Triptych with Feasts, 6x16,5 cm Diptych with Virgin and St Nicholas, 3x6 cm Crucifixion, 5,5x5 cm A LOT OF FOUR RUSSIAN METAL AND ENAMEL ICONS, 19TH CENTURY; DEFECTS (4)