Thu 23 Jun, 2016 08:49 pm - I looked at a bunch of his work also, and it doesn't look like his to me either.
You can zoom in on them at the bottom of the photo (view)
Wed 22 Jun, 2016 03:50 pm - I have several etchings my Dad gave me ,but can't make out the signature
https://www.dropbox.com/sc/twy2z83loa1q4cb/AAA3t3JWgAGykglBdvyY6bTFa (view)