Last year's Christmas stamp discounts do not apply for 2013.
British Postal Museum & Archive puts in planning bid.
1st class and 2nd class values will be designed by winners
Sale amassed only £400,920.
Unique opportunity for collectors
Estimate of $10-$20 million for sale in June.
Now owned by Swedish collector.
China and Palestine sheets up for sale.
To be issued on May 2.
Stamps will be released on May 16.
Issue comprising four stamps released on March 1.
Closed port and late-docking ships mean magazine will be late in North America.
Lewis Hamilton and Jenson Button autographed sheets for sheets for eBay auction.
Weekly updates on interesting stamps.
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