When I conducted the Schermack Control Perfin census in 2013 John's name was suggested as a person that not only collected them but also exhibited them.
I was unable to collect his information, not for lack of trying, before the census was concluded in the Fall of 2013. He has too many irons in the fire.
I continued to communicate with him and gave him a couple tips on items that I noticed on eBay
that were of interest to him. We struck up a friendship and he eventually sent me his Schermack data. Better late than never. I subsequently added it to the Schermack Control Perfin data on Stampsmarter.com
Emails went unanswered and the worst was finally confirmed on an internet search. Much too young!