size
of all deleted fileas well as the associated SHA
git log --all --stat --diff-filter=D --oneline
add a -p to see the contents too
git log --all --stat --diff-filter=D -p
To narrow down to any file simply pipe to grep and search for file name
git log --all --stat --diff-filter=D --oneline | grep someFileName
You might also like this one if you know where the file is
git log --all --full-history -- someFileName