WW2 Canadian RCAF A.O.S. Medium Size Pocket Button

The WW2 Canadian RCAF A.O.S. Medium Size Pocket Button is an original military uniform accessory issued to members of the Royal Canadian Air Force during the Second World War. A.O.S. denotes Air Observer School, indicating that this button was designated for personnel associated with observer training units. Constructed from a durable metal alloy, the button measures approximately medium size for placement on uniform pockets. It features the RCAF insignia and is typically finished in a muted, non-reflective tone consistent with wartime regulations. The reverse side is equipped with a shank for secure attachment to the fabric. Such buttons formed part of the standardized dress for RCAF aircrew and staff and represent a key detail in authenticating WW2-era Canadian Air Force uniforms. This item provides insight into period military apparel and the specific roles within the Commonwealth air training programs of the era.