Generally, currency forgers will try and mimic this aspect by attempting to print these fibers, and when you observe this, it’s a large crimson flag. From 1873-75, all trade dollars shared a standard obverse style and design. The ribbon with "LIBERTY" on it has its suggestions pointing on the remaining. https://edwincoyjq.onesmablog.com/5-essential-elements-for-how-to-identify-copyright-100-75429496