Please help identify this button

Hey guys! I found this button during a short hunt tonight in one of my favorite parks. The park has a lot of history. I have found flat buttons, v-nickels, Indian heads, and an 1843 seated dime all in this park. This button here seems to have been a two-piece button. It has 3 lions, 1 that is in the middle of the button on a shield, and two others on the right and left side of the shield. There is also some writing on the bottom but it's hard to make out. And I can't forget about that crown on top of the shield! One of my favorite finds to date, hope I can get some info on it! (There is no back to the button).

Thanks,
Nickors