Posted By:
David VarghaTed -- I disagree. My experience shows that the "Upper and Lower Case" version is more difficult to find in the low numbers, although no premium is paid for it. All of the salesmen's cards with the sample overprint on the back are the "All Caps" variety. Additionally, all of the salesmen's sample cards are low numbers only. All of the high numbers are "Upper and Lower Case" only. It is my belief that the low numbers had a second run at the same time that the high numbers were printed and that it is these cards that are the "Upper and Lower Case" variety. Thus their scarcity in comparison to the other version.
(typo corrected)
DavidVargha@hotmail.com