What an amazing find (both your post & the letters in the painting!)
Da Vinci, like many of his contemporaries is alleged to have been an initiate. That is, a mason or occult scholar. The 72 is a give away. Absolutely
I wonder what the LV implies? A cursory check of the kabbalistic reference says that LV (in Roman numerals = 55) apart from possibly being reference
to his own name loosely, also equals 'thief/stolen' & 'bride'
EDIT: Mona Lisa is claimed to be a feminized self-portrait of Da Vinci himself, which also ties perfectly with the occult concept of the bride
(Kore/Malkah/Bride of Christ)
edit on 12/12/10 by HelionPrime because: (no reason given)