A highly decorated diploma awarded by the Executive Committee of the 1891 Royal Naval Exhibition at Chelsea to William Crang, one of the exhibitors. The item is mounted on a backing of thick cardboard, whose dimensions are 476mm by 583mm. The print bears the details of the manufacturer, 'W. P. Griffiths & Sons, Ltd., The Old Bailey, London'.

The Official Catalogue & Guide listed the following:
'Model Section. Sub-division - Ships, Boats, and Rafts [Seppings Gallery].
4523. William Crang (late R.N.), 8, Brassey Square, Shaftsbury Park, S.W.
Working Model of 32 feet Barge, formerly belonging to the Royal Yacht "Victoria and Albert," fitted with the owner's system of disengaging hooks. Scale 1/2 inch to the foot. The whole made and fitted by the owner while serving as Chief Yeoman of Signals in H.M.S. "Duke of Wellington," at Portsmouth.'