Yeah, it is difficult sometimes to find these. I go for months at a time without adding anything. Quite a few come from people I know or have met online. I've been part of this bottle forum for years and have not had a single bottle come my way from it. Still, I keep plugging along.
By the way that reminds me, I found a pictorial druggist from Halifax with a horseshoe on it last year. I should post a pic of that one of these days. Not sure if you're aware of that one, can't remember the name off the top of my head.