Your opinion is based on the similarity of one letter..... The capital "D"... That's not very conclusive, or convincing.
It's a start and that's what I'm doing
Call it a feasibility study
You have ignored the far more telling item, which is not only in the way he writes the 'T' in 'Texas', but the way that his cursive capital 'T' in two other words display the exact same odd-looking 'T' as on the MO. Apparently Oswald missed the 'cross your tees' memo