Lume looks ok, interesting is that fisher is not centered versus carrera logo.
Early move signature is unique to hexa case, also unsigned crown, which was signed already on most of the mid 1964 ed heuer carreras.
Backcase marks good, slightly smaler pushers...
Cheers

Arno

http://www.bonhams.com/eur/movieheuer/

: This one looks very interesting - a rare early 1964 model with
: hex-back case and Ed. Heuer signature on the movement. However,
: I am wondering about the lume. I thought a bit of the lume was
: supposed to be under each marker, is it different for a
: deci-dial?