These Post Office stamps were affixed to specially designed envelopes and postmarked on the first day that the stamps were issued.
10.07.1967 | Master Lambton by Lawrence, Postmarked at LondonBUY NOW £20
4d 'Master Lambton' (Lawrence)
9d 'Mares and Foals in a Landscape' (Stubbs)
1s 6d 'Children Coming Out of School' (Lowry)
Stock remaining: Two Left!
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