August 1978 - Jane invited a fan to her Chelsea home one August morning in 1978 and served her 10:00 a.m. tea while four-year-old daughter Katie entertained. Jane allowed her guest to take a snapshot of herself and Katie.
I think this pictures go with this story.
Photo 1) Copyright by Susan DiLorenzo. From Lady Jane yahoo group.
Photo 2) Found via the much missed "Meet The Beatles for Real" tumblr blog.