Postcard of the Guilford Institute published by C.H. Pease
<bdi><a href="https://www.wikidata.org/wiki/Q111038557" class="extiw" title="d:Q111038557"><span title="American postcard publisher">Charles H. Pease</span></a>
</bdi>
Scan from personal collection of <a href="//commons.wikimedia.org/wiki/User:Adamant1" title="User:Adamant1">User:Adamant1</a>