Schaffer Collection of Russian Art Treasures

Here's a great article with an actual catalog from the Schaffers - before ALVR was opened - offering Faberge and Imperial treasures for sale in New York

Hagia Sophia Drawings by Grelo 1680 and Loos 1710

These amazing drawings prove that the mosaics of Hagia Sophia were uncovered for almost 300 years after the conquest. Millions of Muslim worshippers prayed under Christ, the Virgin and the Seraphim.