Dutch, Zealand Seal

Dutch, Zealand Seal, Image & Found By Gavin McMahon.
Found in County Down, N. Ireland. 14mm.

Ligature incorporating D(E?)I // arms of Zealand

Probably a company based in or near the province of Zealand (Zeeland in Dutch). See Rotterdam Thomas? & Son Seal, Image & Found by Pete Senior. It is interesting to note that this was also found in N.Ireland, see BSG.BS.00177.