Burghs had to have a Common Seal and the Town Council minutes record that William Auchinachie was to arrange for one to be obtained.
The Town Councillors settled on a design featuring a blue cross pattee on a white background, based on a sketch provided by the supplier.

Crested china souvenirs of British towns were very popular in Edwardian times and in the absence of a proper coat of arms the burgh seal was used to decorate a wide range of Aberchirder objects. As this set of examples illustrate, the seal was not always shown in its official colours, and often the cross pattee appeared in a fanciful coat of arms style border: