Stippling;
RIVERSIDE GLASS WORKS No. .87 (OMN)
• AKA:
Riverside Glass Works (Wellsburg-WV, Operated: 1880-1904), Introduced: 1883
• NOTE: Sid Lethbridge: Riverside's No. 87 mug which appears in the c1883 catalog. However this mug may have been made decades later given that it appears to be National's dark blue.

• Motifs: (Stippling), (Window), (Scrolls/Filigree )