Harwich Citadel Corps Centenary
Date: 16.01.1980 – First day for the stamp set
Postmark: Centenary logo – FD PM
Cachet: Centenary cachet – Harwich citadel – One houndred years of worship and service
Stamp: Bird set 1980
Remark: These Royal Mail stamps were affixed to specially designed envelopes and postmarked on the first day that the stamps were issued – often with special designed postmarks.
Remark: Rare cover! Cat. value £ 110 (BFDC 2014) – Estimated value: £ 70 (sold for £65 on Ebay Spring 2017).