Description
There was a special post box from 29th September 1973 to 23 January 1974 at the Royal Academy 1 Burlington House London W1V ODS where items posted would receive the special handstamp.
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There was a special post box from 29th September 1973 to 23 January 1974 at the Royal Academy 1 Burlington House London W1V ODS where items posted would receive the special handstamp.