Cf. Likhachev, Materialy po Istorii Russkogo Okonopisaniia (St. Petersburg, 1906), pl. CXCV, CCCX.
M. Ross, Metalwork, Ceramics, Glass, Glyptics, Painting, Catalogue of the Byzantine and Early Mediaeval Antiquities in the Dumbarton Oaks Collection, Vol. I (Washington, DC, 1962), p. 109, no. 130, pl. LXII, LXIII.
Purchased from R. Zeiner-Henriksen, Jr. (Oslo), June 1948.
Dumbarton Oaks Research Library and Collection, Byzantine Collection, Washington, D.C.