Stanley Gibbons / Benhams Quick to Jump On Royal Wedding Stamp Memorabilia Market

Commemorative Cover for the Announcement of Engagement Prince William & Kate Middleton

Celebrating the announcement from Clarence House on 16th November 2010 of the engagement of HRH Prince William of Wales and Miss Kate Middleton. 

This cover bears the Prince William stamp from the Queen Mother's 100th birthday miniature sheet together with a Buckingham Palace handstamp on the day of the announcement. 

Benhams was recently acquired by Stanley Gibbons for  GBP 1.5 million - See Article

Source: http://www.benham.co.uk/Products.aspx?G=s&Pcode=ROY10337