[winodog]

I have never heard of carvings and hieroglyphics on the back of the statues

[SunkenCiv]

The message got carved on any convenient surface, like these cool block statues popular during the 18th Dynasty; this one portrays Senenmut, lover and architect of the chick pharaoh Hatshepsut, shown here with their daughter Neferure.

http://www.touregypt.net/featurestories/cachette9.htm

There are other examples of these two, not in block form. There’s also this one of Senenmut by himself, in the block form:

http://www.britishmuseum.org/explore/highlights/highlight_image.aspx?image=ps335040.jpg&retpage=15548