Great Britain 1881 1d lilac (Die 2, blued paper), SG172g.
A superb unmounted mint, with full original gum, bottom marginal example of this rare paper variety.
The finest quality example we have ever handled of the very few seen in the past 20+ years.
Accompanied with a 2006 Brandon Certificate of Authenticity.
Previously sold by Stanley Gibbons in 2012 for £4,500.