The work was tagged "Jon Lennon," who happens to work across the street at GoldBar.
Asked via email the reason for a special greeting to Lennon, Mint and Serf explained: "he is part of our extended family." So there you have it, a graffiti duo with an extended family.
Quizzed about relatively new pieces popping up elsewhere around the neighborhood, they declined to respond. See photos of those below.
» Follow NYC The Blog on Facebook and Twitter.