Rock poster artist Jim Pollock has designed a limited edition of #GoVote postcards for the non-profit organization HeadCount that will be distributed at Phish concerts this summer. To receive a free postcard, fans should stop by the HeadCount table and sign a “Pledge to Vote” on the back.

In an interview with Headcount.org, Pollock described the inspiration for the photo. “It’s the red against the blue jerseys,” Pollock explained. “I’m pretty up-front about my political beliefs, but I like to see a good race. I’d like to see both parties thrive and have more parity.”

The #GoVote series began in 2012 in a Tumblr campaign involving work by hundreds of artists. This year, HeadCount is adding the element of postcards as well as musicians posing for photos with the #GoVote artwork. The campaign will culminate on Election Day in November when hundreds of musicians and entertainers will post their photos on social media. Fans will also receive their postcards in the mail that week.