Quote:
3c 1857 was demonetized in 1861 so could not possibly be on a cover with the Locomotive stamp of 1869.
That would seem to ignore human nature. Somebody had the stamp, somebody used the stamp. Its not like
Amazon, where they go into your eReader and erase the book you thought you had bought. Clerk could have said 'sorry, need more stamps'.
That having been said, I have no useful opinion on the validity/fabrication of the cover.
Cheers,