If she was offering a framed print it might still be worthwhile especially if you could get similar angle to one taken years ago.
Sooner or later digital only images will be forgotten or lost but a good framed print might be there in 100 years time.

A company here called Skyviews used to go round with light aircraft starting in the mid 1960s and they are still on the go online they have digitised images over several decades for sale.