THE SET CONSISTS OF 13 ICONS OF THE MAJOR TRADITIONAL FEASTS OF THE CHURCH. PLEASE NOTE IN THE RUSSIAN TRADITION THE ICON OF THE "OLD TESTAMENT TRINITY" IS USED FOR THE FEAST OF PENTECOST AS THIS FEAST REPRESENTS THE MANIFESTATION OF THE TRINITY. THE FEAST OF THE DECENT OF THE HOLY SPIRIT IS CELEBRATED THE MONDAY AFTER PENTECOST. THIS COLLECTION IS SOLD ONLY AS A SET. THE SET IS A WONDERFUL WAY TO "EXPLAIN" THE FAITH EACH ICON IS 15 7/8"x13 1/8" APPROPRIATE FOR RELIGIOUS EDUCATION AND CHURCH USE.