This "UT" monogram is from the book, A Complete Book of Monograms and Ciphers, by the heraldic Artist, A.A. Turbayne (1906) London, England.

Monogram: UT

Smooth, mirrored background; Heavy detailed attached bale; Square shape; Raised monogram with oxidization

1.42 x 2.24 inches   22.30 grams