Three pages of Victorian chromolithographed trade cards advertising Eureka Spool Silk, made by the Eureka Silk Mfg. Co. The first page shows cards promoting strength and color guarantees, with silkworm and cocoon imagery and the San Francisco agents Yates & Conklin. The second page has four winter-scene cards with the 'Every Spool Warranted' emblem. The third shows an elderly woman sewing with Eureka Silk and a humorous testimonial caption.