Bowie Makes Early Appearance in SW London

One Post Office branch obviously doesn't want to keep special stamps cluttering up the safe for too long so they placed the David Bowie stamps on sale last week, possibly at the same time as the Windsor Castle stamps (or instead of?).  

A correspondent has sent this picture of the Hunky Dory stamp with a Jubilee Mail Centre postmark of 17 February, although in this picture it looks a bit like 17-03-2017.  The letter was sent from Sunbury-on-Thames (which doesn't necessarily indicate where the stamp was bought).

At the time of writing this is the Earliest Known Use of a 2017 Bowie stamp.

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Christmas 2011 early use of booklets

We've had a report that a village post office near Norwich was selling 2nd class Christmas booklets as early as mid-October (precise date not known). In the USA the 'earliest known use' (EKU) covers are prized by some collectors, but they might have trouble here when there is no guarantee of a readable dated postmark!