The Holy Trinity by Saint Andrei Rublev.  Russian Orthodox Icon.  A new version of this early 15th century icon.

Sizes: 

#407 - S (2½" x 3" on ½" wood). 
#642 - M (3½" x 4" on ½" wood). 
#971 - ML (5" x 6¼" on ½" wood). 
#1124 - L (6¾" x 8¼" on ½" wood). 
#2005 - XL (9½" x 11½" on ½" 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.