Flag on flagstaff with additional motif, possibly letters

Watermark flag on flagstaff with additional motif, possibly letters
Date c.1641
Location of use Dublin, Ireland
Dimensions 63 mm x 48 mm
Chain-lines 22]-29-28-29-28-28-29-[4
Position centred on line 4
Process Canon EOS, backlighting
Source Office of the Chief Herald Collection, GO MS 50, f. 83;

researched and described by Louise O’Connor

Repository National Library of Ireland