Unrecorded 1860 (Gouby G+d; Freeman 4+D) – I over T in BRITT (R19?)
The I in BRITT has been struck over or under a T, probably in a botched repair while old obverse F (Freeman 4) dies were being reworked into the obverse G dies.
Example 1
Sold by London Coins in March 2009
Example 2
Pictures courtesy of Martin Minerva (Predecimal Coin Forum)
Example 3
Sold by Roxbury Auction (Australia) in July 2022 (lot 1732) [for ~£1950]