We have 2 objects that Griffin-Sefton Inc. has been involved with.

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<ref name=CH>{{cite web |url=https://collection.cooperhewitt.org/people/18046901/ |title=Griffin-Sefton Inc. |author=Cooper Hewitt, Smithsonian Design Museum |accessdate=20 May 2019 |publisher=Smithsonian Institution}}</ref>