What type of piece is this? Drawing Share a little about the materials, processes and techniques used to create this piece. Paper: 9" x 12" Impressions Artist Book medium weight white drawing paper. Used to be white; it's old so it's kind of yellowed. I like it because it's wire bound and the pages are perforated. Pencils: General's Layout Extra Black No. 555 General's Charcoal 557-2B med and General's Semi-hex Drawing no. 497 B. Kneaded eraser and Factis extra soft white eraser.