Cap badge, as issued to Underground operating staff, 1987-1999 (check research).

• Physical description

  Dimensions

  Attribute	Value
  Height	40mm
  Width	50mm
  Depth	10mm

  Colour

  Attribute	Value
  Colour	Silver Red Blue

  Item content

  Attribute	Value
  Inscription	UNDERGROUND

  Design

  Attribute	Value
  Material	White metal Enamel

• People involved

  Role	Person(s) involved
  Manufacturer	Unknown,
  Designer	Ian Logan,
  Issuer	LUL, 1987-1999