Necktie or scarf; Jacquard satin; Cheney Brothers. Jacquard Satin Tie Silk, all silk fabric woven with 1 shuttle, and used for men's scarves or neckties. Allover scroll pattern in blue on blackground.
NB: 1920s terminology for men's neckwear was different than late 20th-21st century terminology. Scarf was correct for the period.