I also found this paper, which appears to be next to it. Can someone translate it?
it ? 
As I said if I had used Japanese to look I’m sure it would have been easy.
Rough translation I did with google if this helps.
Notice of winning prize! Daisuke club’s “Fighting Pokemon Scrunk” Thank you very much! Thank you very much! Thank you very much! Enter 0 digit number and Mikoto Kimi will send you three Koisuke club limited cards with Mont Scramble × Pokemon! Congratulations, Pokemon For inquiries about products that have made the most of the Daiki Club, e-mail the following to Kozuke club inquiry window support@pdc.pok 2
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@joeben Thanks a lot 
I am really thrilled that the card(s) exist. Is it okay if I use this thread as a rumble eevee hunt blog ? 
I also remembered something I completely forgot about which was a thread on this forum which was like only 2 or 3 posts long which stated that one of the rumble cards was traded for a trophy kangaskhan in like 2012/13. I’ll find the thread and then edit this post with the link if I can dig it up again.
@woolsluk That would be very nice
Every piece of information will get me one step closer 
There we go.