Adjective
undifferenced (not comparable)
(heraldry) Not having a mark of difference.
All of these charges occur frequently in basic undifferenced coats of arms. Source: Internet
At the same time, he was authorised to omit the bendlet, which had served the purpose of distinguishing this branch of the Churchill family from others which bore an undifferenced lion. Source: Internet
As king, he used the royal arms as used by his father undifferenced. Source: Internet