Description
To commemorate the 50th Anniversary of the Polish Armoured Forces an exhibition was held from 6th – 8th December at the Polish YMCA 46-47 Kensington Gardens Square London W2. The organisers of the exhibition being the Union of Polish Philatelists in GB.
The special event postmark has at its center a cogwheel with a winged armoured arm.
An illustrated cover and card was produced which cost fully serviced 2 shillings
