Found a discrepancy in the "readings":
Here's how Andrey Vasilyev says "own" fake:
"...This picture is supermodelos. Set like this without thinking that this picture is fake, I think, virtually impossible. The same thing
spoke and Rybakova from the center. Grabar: during the first two months they were sure that it was a genuine Grigoriev..."
(
source here)
But how about this fake says expert Julia Rybakova:
(see 8:32 minutes)