As well the Machin Centenary Faststamps first mentioned in this post (following the announcement on Postagelabelsuk) the Birds 3 faststamps were also available in Hytech strips of 6 from the Royal Mail counter at Stampex. The self-service machines (No 91 & 92) only dispensed the Centenary items. Over-the-counter sales are from machines 93 and 94 as shown below:
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