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H&N Staff

The Humler & Nolan staff (L-R): Mark Mussio, Karen Singleton, Jeff Engel & Riley Humler


For general inquiries, please use the form below.

Otherwise, you may contact our staff at the following email addresses.

Jeff Engel, Managing Partner and CEO,

Riley Humler, Auction Director and Art Pottery Expert,

Karen Singleton, Auction Coordinator and Art Glass Expert,

Mark Mussio, Marketing, Design and Photography,

General Inquiries

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Humler & Nolan
225 E. Sixth Street, 4th Floor
Cincinnati, OH 45202
Phone: 513-381-2041
Fax: 513-381-2038