Appleton Coated offers the Curious Collection. Six totally unique grades: Curious Metallics. Curious Cosmic. SKIN Curious COllection. Curious Translucents. Curious Particales. And Curious Touch. 4 Curious Mettalics colors and SKIN white available in HP Indigo certified digital sizes! The Metallics line features 11 new colors to complement the 12 original colors. Four of the most-popular Metallics sheets also are available in 100% post-consumer recovered fiber (PCW) content. All of these sheets also are Forest Stewardship Council (FSC) certified and available in new, smaller sheet count packages.