Watch List notes:

George IV (1820-30), Maundy Fourpence to Penny, 1826 (4), 2d - reads tritanniar - (t over b error) (ESC 2451 [R3] {cf. 2430A}; S.3816), once cleaned, otherwise a bold very fine to near extremely fine, the Twopence again with the error clear, rare (4).

Estimate: £120 - £150