In memory of CARLO,a celebrated setter,the property of H M Kennard Esq, Crumlin Hall,accidentally shot August 12th 1864 Carlo was a hunting dog, of the Red setter breed, owned by Henry Martyn Kennard (1833–1911).

The Kennards, of Crumlin Hall, were local ironmasters and landowners, Henry Martyn's father Robert Kennard (1800–1870) having gained control of the Blaenavon Ironworks through his Blaenavon Coal and Iron Company in 1836.

[2][a] At a shooting party held on the hill on the Glorious Twelfth in August 1864, Carlo was accidentally, and fatally, shot.

[4] The memorial comprises a single sheet of cast iron on a plinth of concrete.

[1] It has been catalogued in the archives of the Royal Commission on the Ancient and Historical Monuments of Wales[5] and is a Grade II listed structure, Cadw's listing record describing it as "a good unusual example of a cast iron memorial slab".