Armorial stonework of this kind was typically commissioned to display family lineage or territorial authority, cut into the fabric of a grand entrance or a formal building where it could be seen and understood. This one measures 57 centimetres long, 40 centimetres wide, and 12 centimetres thick; modest in scale but deliberate in its detail, with cross shields arranged across two panels framed by a floral design.

The plaque did not originate at Wyestown at all. According to research compiled by Geraldine Stout and uploaded to the record in August 2011, it was originally installed at the Court at Ballymadun, a place with obvious associations with formal or administrative use, the word "court" suggesting a building of some civic or manorial standing. At some point the stone was removed from its original setting and made its way, by means not recorded, to its current resting place among the working buildings of a farm. How it travelled from one to the other, and when, is not documented in the existing notes. That gap in the record is itself a small puzzle.

The threshing shed where the plaque now sits is part of a farmyard at Wyestown, which lies in north County Dublin. Threshing sheds were working agricultural buildings used to separate grain from stalks, functional and entirely without ceremony, which makes the presence of a carved heraldic stone all the more incongruous. A visitor would need to approach with some prior knowledge of the plaque's existence, as it is not a publicly signposted site. The stone rewards close attention once found: the two decorative panels and the floral framing are the kind of detail that a carver took care over, and the cross shield motif repeats across all four shields in a way that suggests a specific heraldic programme rather than a generic decorative choice. What family or institution it once represented, Ballymadun's Court no longer easily answers.