Stockport Philatelic Convention 4 – 5 September 1965
Issued 4.09.1965 (not FDC)
Postmark: Stockport – Special cancel for the convention
Cachet: Stockport – 2nd German Philitelic Convention
Stamps: Single (Stanley Gibbons 665)
Remark: Numbered, limited edition, this is 0594 (printed on backside). Rare cover with nice illustration!