Here they are, pictured by season:
Posted by post-PA Mary Manchin on her twitter.
Including the 200th episode pin, Tweet by Jason Fischer. "stamus contra malam" translates to "we stand against evil".
Season 9 pin second from the right, seasons 6 - 8 on the left, 200th episode pin on the far right. Posted by Adam Glass on his twitter account here.
Seasons 1 - 6
Including the 100th episode pin on the left, a 'kick it in the ass' pin between seasons 1 and 2, and season 6's pin on the far right.