DSP. Maker mark "Baltimore Enamel, 2000 Fifth AVE. NY." C. 1940s Greyhound Bus Lines double-sided porcelain sign with appealing graphics. CONDITION: Side one has fair color and shine throughout both the inner and outer fields, with minor areas of staining and porcelain loss. The sign has restoration along the outer edges and throughout the "Ticket Office" lettering. Side two has slightly better color and shine than the previous side. The sign shows porcelain loss and staining throughout, with restoration along the outer edge and in the "Ticket Office" lettering. Condition: (Restored) Dimensions: 31" x 25".