There is no such thing as an Ultradisc 1, there are simply the original Ultradisc reissues and the Ultradisc 2 reissues. Your reissue, from 1991, is in the original Ultradisc series. It was never issued as an Ultradisc 2. For your convenience here is the Mobile Fidelity discography, that verifies this, http://members.aol.com/boardwalk7/mofi/mofiulcd.html
To answer your other question, the British LP is the copy preferred by audiophiles that have made the comparison.
To answer your other question, the British LP is the copy preferred by audiophiles that have made the comparison.