LRI4634296 Byzantine emperess Irene of Athens (gold enamel and precious stones, 12th-13th century) by Byzantine School, (12th century); San Marco, Venice, Italy; (add.info.: Byzantine architecture: representation of the Impress Irene the Athenian (752-803), Pala d\'Or of Saint Mark, gold, enamel and precious stones made by Venetian artists, 12th-13th century - Basilica di San Marco (Basilica of St. Mark), Venice (Byzantine emperess Irene of Athens or Irene the Athenian)); Luisa Ricciarini; out of copyright.