Christie's. This Judean Desert Limestone Mask is circa 7th Millennium B.C.
Here's the auction house description:
A JUDEAN DESERT LIMESTONE MASK
PRE-POTTERY NEOLITHIC B, CIRCA 7TH MILLENNIUM B.C.
Fashioned to resemble a human skull, oval in form with thick walls, the reverse concave, the cut-out eyes with narrow ridges extending up from their outer corners over the temples, raised cheekbones below with a ridge extending back, the slender triangular nose with two grooves for the nostrils, the lipless oval mouth open, revealing teeth, with five biconical drill holes along the perimeter
9 in. (22.8 cm.) long