These are two 18th century letters written by Count Saint Germain. When comparing these two letters (white-ish) against the Practical Palmistry letter (brown), we can find the following results:
Next: What are those letters after his name "A.B., L L.M."?
L L.M. is a Master of Laws degree and it stands for Legum Magister.
A.B. is Bachelor's of Arts degree.
Next: Picture recon from University of France and/or American Chirological Society. None found.