Great Britain 1d Lilac with 'INVENTION' Perfin
United Kingdom · 1900 · 1d
The stamp features a profile portrait of Queen Victoria facing left, with 'POSTAGE AND REVENUE' at the top and 'ONE PENNY' at the bottom. It is distinguished by a perfin spelling 'INVENTION' through the design.
This common definitive issue from the late Victorian era was used by G F Redfern and Co., London patent agents, who applied the 'INVENTION' perfin to their stamps to prevent theft and misuse.
Printing Method
Typography
Catalog Numbers
Image: British Government. · License: Public domain
Estimated Values by Condition
Perfectly centered, fresh, no faults
Well centered, fresh colors
Nicely centered, minor flaws
Average centering, acceptable
Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
