HANOVER. temp. Victoria. 1837-1901. Æ Medal (64mm, 124.0 g, 12h). Yorkshire Union of Mechanics Institutions – Prize Medal. By George Davis. Presented to Frank Tuley of Halifx, for essay on color from logwood, 1883. THE YORKSHIRE UNION OF MECHANICS INSTITUTIONS, coat-of-arms with griffin supporters; above, ram standing left, below, ribbon inscribed OUR TRUST IS IN GOD ALONE / PRESENTED/ TO/ Frank Tuley/ OF/ HALIFAX/ FOR/ AN ESSAY ON/ Colour from Logwood/ 1883 engraved within wreath. Eimer –; BHM –. EF. In original case of issue.