c.1900 Guitar Strings in Original Advertising Envelope

Lancaster, Pennsylvania: Weaver Organ & Piano Co, 1910. Very good. Toned with minor dust soiling. Strings in metal wrapper (not inspected).. Original c.1910 advertising envelope with guitar strings, sold by Weaver Organ & Piano Co. of Lancaster, Pennsylvania. Pitched as the "Best in the World" and a retailer of Washburn brand guitars, zithers, and mandolins. Measures approx. 4.5" by 3