unused 1914-18 ½d., the Alan Davidson study of Electro VII with a large number of strips and blocks of four or larger, comprising ½d. green single watermark (177), ½d. green multiple watermark (203, 8 with inverted watermark) and ½d. orange with multiple watermark (255, 60 with inverted watermark); all neatly mounted and written-up with details of flaws, etc., generally fine. Cat. £2,400+ | Christie's

Lot 5

unused 1914-18 ½d., the Alan Davidson study of Electro VII with a large number of strips and blocks of four or larger, comprising ½d. green single watermark (177), ½d. green multiple watermark (203, 8 with inverted watermark) and ½d. orange with multiple watermark (255, 60 with inverted watermark); all neatly mounted and written-up with details of flaws, etc., generally fine. Cat. £2,400+

Details

unused 1914-18 ½d., the Alan Davidson study of Electro VII with a large number of strips and blocks of four or larger, comprising ½d. green single watermark (177), ½d. green multiple watermark (203, 8 with inverted watermark) and ½d. orange with multiple watermark (255, 60 with inverted watermark); all neatly mounted and written-up with details of flaws, etc., generally fine. Cat. £2,400+