I participate Gallery Nucleus LA's group show "Power In Numbers" since 2020. It is a postcard artshow that features all traditional works in a 5 x 7" postcard format. Unfortunately, I couldn't participate PIN 7 in 2022, since my original drawings were ripped in half by USPS priority mail service. 

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You can see more pencil drawings on 

https://www.gallerynucleus.com/search?utf8=%E2%9C%93&q=jen+yoon