RICHARDS AND HARTLEY GLASS CO. No. 189 (OMN)
• AKA: Feather and Block; Plume and Block
• Richards & Hartley Glass Company (Pittsburgh/Tarentum-PA, Co. Operated: 1865-91), Introduced: pre 1891 Introduced

• Motifs: (Feathers/Plumes), (Herringbone/Ripples)