Ŧ/ŧ (T with a bar, T with a stroke sign) is the 25th letter in the Northern Sámi alphabet, where it represents the voiceless dental fricative [θ]. In the SENCOŦEN alphabet, it also represents a [θ]. It is also used in the Havasupai alphabet, and to represent the letter ט in romanizations of Hebrew. IThe Unicode codepoints for this letter are U+0166 Ŧ latin capital letter t with stroke and U+0167 ŧ latin small letter t with stroke.
References
T with stroke Wikipedia(Text) CC BY-SA