Thanks, Gary.
I can't find much about the Standard J1 using a Hisso engine, as I thought the main engine the J1 used was a Hall Scott A7A, which is the one that I believe sold on eBay a while back (prop, that is).
That Jenny prop looks familiar.
Hey! No wonder, it's one of mine posted on my website.
(I've got three or four of that model, too. Seems like a lot of them ended up as surplus.)