Upright Rule Photographs | 2013Photographs | HD Print on Acid Free Archival Paper | Each Pieces:20*20 | 2013Upright Rule #1 | Photograph | HD Print on Acid Free Archival Paper | Each Pieces:20*20 | 2013Upright Rule #2 | Photograph | HD Print on Acid Free Archival Paper | Each Pieces:20*20 | 2013Upright Rule #3 | Photograph | HD Print on Acid Free Archival Paper | Each Pieces:20*20 | 2013Upright Rule #4 | Photograph | HD Print on Acid Free Archival Paper | Each Pieces:20*20 | 2013