First Day Covers
1900 (Apr 17) Postcard with 1/2d blue-green tied by Norwood S.E. squared circle on the first day of issue, addressed to South Kensington, corner crease in top right corner of card
History: Stanley Gibbons, for sale for £1500 in 2016 (reduced to £1’200); Grosvenor October 2017 lot 1601
History: Grosvenor sale 71 lot 991 sold for £680 plus commission
History: For sale by Dauwalders of Salisbury for £1295 (July 2018)
1900 (Apr 17) Postcard with 1/2d blue-green sent within London on first day of issue, picture postcard of the “Grand Palais des Beaux-Arts” with manuscript note on picture side “Paris Exhibition, British 1/2d green stamps first issued to-day 17th April 1900’, fine
History: Sold on eBay for £93.09 in December 2014
History: For sale by Andrew Lajer for £1’100
History: Grosvenor Nov 15th 2018 lot 426 estimate £400-500, sold for £300 plus commission
History: Grosvenor Dec 2009 lot 2553 realised £1’050; Spink Jul 2017 lot 2192 realised £550 plus commission
History: For sale by Andrew Lajer for £950
1900 (Apr 17) Locally addressed cover franked with horizontal pair of the ½d blue-green tied by St Annes-on-Sea cds, re-addressed on arrival to Oldham with St Annes-on-Sea squared circle for Ap 19, Oldham arrival bs for following day, accompanied by business card of Edwin B Laycock, the postmaster at St Annes, with hand-written note ‘on the cover I have put specimens of the new stamp cancelled on the date of issue’, fine
History: Stanley Gibbons auctions June 14-15 lot 1227 est. £260-300, sold for £800+18%+VAT
1900 (Apr 17) Envelope sent locally within Maidstone, with part of upper flap missing and open on two sides, cert. BPA (2001)

History: For sale by K & C Philatelics for £3’200
First Day Cancelled Stamps
History: For sale by Andrew Lajer (2018) for £180
History: For sale by Elstree Stamps for £795 (Nov 2018)
Pre-First Day Covers and Stamps