Saint Spyridon of Tremithus. Russian Orthodox version of  the Byzantine Orthodox Icon.

Sizes: 

#248 - S (2½" x 3" on ½" wood). 
#720 - M (3½" x 4" on ⅝" wood). 
#826 - ML (5" x 6¼" on ¾" wood). 
#1169 - L (6¾" x 8¼" on ¾" wood). 
#2025 - XL (9½" x 11½" on ¾" wood). 

Icons manufactured by a Russian supplier using their proprietary process of applying successive layers of color and metallic-like patterns resulting in a brilliant, detailed, and nearly three dimensional appearance.

Icon inscriptions in Church Slavonic.