The short answer seems to be yes, maybe a little disappointing for anyone who paid for a limited edition LESTER-1. There was a rumour about the hat possibly being different but I can't find a link to wherever I read it.
I have both and decided to take a detailed look at them. Legs are obviously both just basic legs with no printing and I couldn't see any difference in the printing on the body or head.
The hat interestingly did actually have a difference, both hats have the same numbers as best as I can't tell (they are very hard to see) but inside the rim of the hat there is a 'notch'. On the LESTER-1 hat the notch is on the right side and the 40308 hat has the notch on the left.
This small test is by no means conclusive but would be interested to find out if anyone else sees the same difference.