Randy M This hobby is easy to get into. If your an LEO yoir department should have patches. Get extra patches and stay trading. They're are websites you can go where you post the patches you want to trade and you just start trading. Search Facebook for police patch collectors and you will find a bunch of groups. I'd you message me your address I'll send you your 1st patch! This video is a small sample I have since tripled my collection. You can always try and make patch sets. So currently I am trying to get a state trooper/highway patrol patch for each state. Other people try and get all the municipalities within their state. I'd be happy to help and answer any further questions.
I just started collecting patches, I try to get duplicates for trading. I have a Lincoln Al police department patch and a St. Clair County sheriff department patch that I could trade. If you would be interested let me know and I will get you my email address. Thanks!