Joshua Prince, co-founder of Fool’s Gold Records, has passed away. The cause of the 38-year-old designer’s death is unknown, but DJ A-Trak confirmed the sad news on Instagram Monday night (Feb. 2).

Prince, who was also known as Dust La Rock, was the creative director and chief designer for Fool’s Gold between 2007 and 2012. He also designed album covers for rappers Action Bronson, Kid Cudi and Danny Brown, among others. Take a look below to see the single cover for Cudi's hit song 'Day 'N' Nite' that Prince created.

A-Trak, who founded Fool's Gold Records alongside Prince and Nick Catchdubs, honored his "brother" with an elegiac message on his Instagram page. “You helped define so much of what I stand for. Love you man. Still can't believe this," he wrote in the caption.

Several members from the hip-hop world also paid tribute to Prince. You can read some of the tweets below.

We send our heartfelt condolences to A-Trak and the entire Fool's Gold family. Rest in peace, Dust La Rock.

See Stars We Lost in 2014