When in a similar situation (about 40 1980s Electronics Today International magazines) I shipped them to the owner of
https://www.americanradiohistory.com
UK->US shipping was pricey but it was better than leaving them in a pile and "never getting around to" scanning them. Also, I was concerned that, as time goes by, there is a decreasing chance that other copies exist.
My main motivation was that americanradiohistory already had a great collection of this magazine and my contribution filled in some gaps.
Neal.