Forgot about the FAQs, always following new posts or searching, thanks for the reminder.
Is this the 'F' mentioned on the tag? If so, the pump on my 65 Dearborn car looks like it is black and no signs of blue?
Yes that is the designator that Ford told the service workers, mechanics and managers to look for and the color
Guess there is a chance that the pump had been sent in to be rebuilt at some point and repainted
Guess you have AC given the pump body.
Looked through pictures and really don't have allot of very very late 65 Dearborn cars to compare for when the change over in pumps took place