Saint Nicholas of Myra (summer version) in portrait form. Russian Orthodox Icon.

Sizes: 

#423 - S (2½" x 3" on ½" wood). 
#708 - M (3½" x 4" on ⅝" wood). 
#835 - ML (5" x 6¼" on ¾" wood). 
#1177 - L (6¾" x 8¼" 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.