89mm. Silver. 232.68g. By Elkington & Co.
Manchester Mechanical & Industrial Exhibition, Pomona Palace. Obverse with two standing robed females with implements of art and sciences, reverse engraved below coat of arms and within border 'Awarded to Robert Hall - For Bourcart's Five Shuttle Fancy Loom - 1875'.
Polished and therefore bright. Edge knock at 11 o'clock on obverse otherwise Very Fine and an incredibly substantial medal.
DNW sold an example of this medal back in 2008, where their footnote states 'This is believed to be the largest known British exhibition award medal in silver.'