RUSSIA, first third of the 19th century Icon of the Immaculate Conception. Tempera on wood. Silver basma (84 zolotniks / 875 thousandths / min.800) with repoussé foliage decoration. Goldsmith's hallmark: Adolf Speer. Moscow, 1823. Exempt from hallmarking because made before 1838 according to article 524bis du CGI paragraph a. Gross weight: 496 g. - H. 21.7 x W. 16.5 cm.