I just noticed, when I fully zoomed the image of my Castulo, and verified it in hand (with 10X loupe, to make sure), that, heaven
help us, one of those centering "dimples" occurs on both sides of mine. I do not see it on moonmoth's and I can't zoom Doug's photo, but I don't think
his has "dimples". It seems that the dimples, in the ear on the
face and on its foreleg elbow on the
sphinx, where it is fainter but definitely present, are not in the center of the design, as limited by its
border, but in the center of the preserved
flan and therefore, as observed elsewhere,
part of the preparation of the
flan previous to striking.
Doesn't it seem likely that batches of these sphinxes were struck and issued in occasional batches, not necessarily by similarly trained workers or in exactly the same place?
Pat L.