What is the fine-grained topic of the following text: “My hope is that, by filtering concepts in this unusual way, the act of obscuring will become paradoxically revealing.” Denholm’s unique artworks have been featured in many Saatchi Art collections and have proven popular with international collectors - with sales on Saatchi Art tallying double figures. Only return the topic.
Denholm's unique artworks and their popularity on Saatchi Art.