London Underground enamel PLATFORM ROUNDEL SIGN from Knightsbridge Station on the Piccadilly Line.

London Underground enamel PLATFORM ROUNDEL SIGN from Knightsbridge Station on the Piccadilly Line. This is the smaller-size sign, from the track-side, measuring 24" x 19.5" (61cm x 50cm) high. A complete sign in 4 parts comprising bar, half-circles and alloy frame. In very good, ex-use condition with only the smallest of blemishes. [1 sign in 4 parts]