17 September 1977
Title: 50th Anniversary of the British Legion.
Type: Commemorative Cover.
Stamps: 7ᵖ Machin definitive, purple-brown.
Cachet: RE Badge with "Posted at the RE 1977 Mobile Display".
Cachet: The Glasgow Show.
Circular Date Stamp: Field Post Office 999, 6 AU 77.
Note: Field Post Office 999 CDS was used by the Royal Engineers Mobile Display Team from 1977.