I found this little wedge at a flea market today. It appears to be heavily embossed with "T & H" or "T & M". It doesn't appear have the finesse of a machinist's wedge. It measures 2 1/2 inches in length at the base, 1 1/4" in height at the back, 1/4" in height at the front, and 1 1/8 inch in width. Viewed endwise, the wedge is an isosceles triangle.
Anyone recognize this?