Could be a variant of Prince's Letter Despatch - Portland Me. Or could be a fantasy - there are lots of copies of local posts around. Google it and go to "images".
Link was broken but Siegel ran a full sheet through
Sale Number: 817
Sale Date: Monday, November 15, 1999
The David Golden Collection of U.S. Carriers and Locals
A member sent me a message and referred me to "taylor forgeries". A quick google search provides a lot of information. Check out some of the websites and switch to "images" to see a good representation of a lot of the forgeries, spurious issues and other oddballs we come across in bulk lots of old albums and glassines.