We've featured a number of collage artists as of late but none are more unique than Sienna Freeman. The Philly based artist doesn't exactly stick out like a sore thumb but possesses an elegant macabre that surely sets her apart from her peers. "Coryphee". (Courtesy of Sienna Freeman.) Freeman's work is unshackled. It does whatWe've featured a number of collage artists as of late but none are more unique than Sienna Freeman. The Philly based artist doesn't exactly stick out like a sore thumb but possesses an elegant macabre that surely sets her apart from her peers. "Coryphee". (Courtesy of Sienna Freeman.) Freeman's work is unshackled. It does what