"MG Kay,
I hate to say it, but this has no true characteristics of either John Lennon or Paul McCartney. They do not look like malicious forgeries. They look like signatures done by someone who wanted to make the recipient happy, not realizing that…"
"The handwriting doesn’t look familiar to me, and I don’t recall ever seeing an example of either of them writing “John & Paul.” I don’t think either of them wrote it, unfortunately. "