These bags can often be difficult to pin down as far as an exact era. While some could be store or catalog bought, many were home made, either from kits or from instructional books that were sold by he companies that made the silk or rayon cording, or imported the beads. Yours could date from the Edwardian - WWI times, or could be 1920s or even 1930s. I do get a general sense of late 'Teens to early-mid 1920s, but I am not sure.
Lets see what others think.
It is lovely.