If you want to become a collector you should be well aware of who to reach out for the "Ask". Simply make a list of all the high-level personnel and then make a draft of the pitch. Start sending off to the people, asking for the police custom patch in exchange for something of your own possession. Add your contact information and residential address at the end of the letter. You can also include a phone number in the middle of the letter so that you can have verbal communication.