Here's a page dedicated to this famous mosaic in the apse sem-dome of the great cathedral church of old Byzantium. It dates from the original redecoration of the church after iconoclasm ended.
More Hagia Sophia Mosaics and the Pammakaristos
This another page from my Hagia Sophia webite that will be of interest to anyone who is interested in the church of the Theotokos Pammakaristos.
Imperial Bedroom
Portrait Hall
Mauve Room
Maple Room
Aleksey's Bedroom
Nicholas's Study
Aleksey's Playroom
Formal Reception
Balcony View
Aleksey- Balcony
Children-Mauve
Nicholas's Bathroom
Alexandra- Mauve
Nicholas's Reception
Tsarskoe Selo Map