San Marcos artist designs commemorative coins for America's 250th

Since 1792, the United States Mint has documented American history through coins.San Marcos-based artist and illustrator Chris Polentz has now designed several coins for the Mint, including one for the country's 250th anniversary.Thursday on Midday Edition, we hear from Polentz about what goes into designing a coin and how he wanted to commemorate this milestone in the country's history.Then, mixed martial artists and sibling relationships take center stage in Ngozi Anyanwu's play "The Monsters," currently running at the La Jolla Playhouse. KPBS arts reporter Beth Accomando gives us a preview.And finally, looking for things to do this weekend? KPBS' Julia Dixon Evans has you covered with event picks ranging from design to dance.Guests:Chris Polentz, artistNgozi Anyanwu, playwright, "The Monsters"Julia Dixon Evans, arts reporter and host of "The Finest," KPBS