Hey Muesli !
I just found the current owner of the Harvard
http://www.airport-data.com/aircraft/N554JH.html
Owner
Registration Type: Corporation
Owner: Fitron One Llc
Address: Jenks, OK 74037
United States
Region: Southwester
They may like the photo or a digital copy of it, here's their website with a contact address
focp1@me.com
http://www.fitronone.com/www.fitrono...lcome%3A..html
The RACF took it on strength on 17-Jul-41 and struck it off on 14-Dec-58
http://chaa-recovery.ca/content/view/58/60/
As you can see I have far too much time on my hands