WW2 Royal Canadian Air Force Operational Tour Wing with additional bar.
A scarce Silver-gilt example, reverse stamped 'Birks' and 'Sterling'. Retaining backing plate and both screw posts and nuts.
Estimate: (£80 - £120)
Authorised in 1943 for RCAF aircrew who performed meritorious operational service and completed a tour of duty, the bar indicating a second tour of ops.