T.P. Initials PreviousTintypeNextCross 227a227b T.P. SB-227 Front: “T.P.” raised in heart like figure. Stippled background. Back: Unmarked. Spine: Two unequal width bands. Foredge: grooved pages. Unusual color marble. Dateca. 1900MediumMarble, brown with tiny white fossil (?) inclusions.Dimensions (inches)3 3/8 x 2 7/8 x 7/8