![[UPDATE] I've updated my earlier DTX diagram to reflect the machine that I found a green CharlieCard at today—it's leftmost of the two TVMs sitting alone in the concourse near the old CharlieCard store.](https://preview.redd.it/s17eu8t3565h1.png?auto=webp&s=bfba515d19aaa49ffdbe12980d32d42f6f24f280)
[UPDATE] I've updated my earlier DTX diagram to reflect the machine that I found a green CharlieCard at today—it's leftmost of the two TVMs sitting alone in the concourse near the old CharlieCard store.
Thanks to u/taetaeee for locating them! There are also reportedly blue ones available at DTX but I haven't visited those machines personally so refer to their full post for the details.
See my earlier post with a guide for finding red and blue cards at Park Street here.