Unidentified Stamp

Unidentified Stamp
Dimensions (height x width): 49mm x 32mm
Monogram: T W R within a serpent encircled
Heraldic Charges: serpent
W. C. Hazlitt's A roll of honour lists the following collectors whose initials are a combination of W, T, and R: Theodore Woolman Rathbone, of Allerton Priory (1798-1863); Richard Wogan Talbot, 2nd Baron Talbot of Malahide Castle (1766-1849); William Robert Taylor (1805-1874); and Robert Townley Woodman (1825-1897).