CHALLINOR, TAYLOR & CO. No. 307 (OMN)
• AKA: Hobnail in Diamond; Hobnail with Bars
• Challinor, Taylor and Company (Tarentum-PA, Company Operated: 1884-1891), Introduced: c1889 Introduced

• Motifs: (Hobnail), (Triangle), (Zig-Zag)