Thanks Mercury, much appreciated
Its a genuine one imo
Why is that?
The only unusual thing I can spot is the "M" in Mercury...the rest including the inscription looks spot on to me. I think he pretty much used a "softer M" during that period, but I have seen quite a few genuine exemplars with the "sharper M" as well.
And Taylor, Deacon, May are in my opinion text book exemplars for that era. Here is an album (signed in 1976) sold by RR and pre-certified by Roger Epperson: