you sound like a smart guy. And you are new to OCC.
Stick around and I think you will find yourself in good company.
Dups (reposts) are something some care about more than others. Generally speaking, just about any great ENF pic is going to be a dup. Bu if you want to start posting your own finds, maybe just continue to put them here. If the experienced collectors start seeing truly fresh stuff pop up in this thread, theirs (and my) thanks will let you know
Klondike