This illustration, from unknown artist, belonged to Pablo Faget, a pianist acquainted with Gottschalk.
It is an advertisement for Chickering's Pianos, with this text : .

"Ceci vous représente les produits de la maison Chickerings de Boston. (C'est matériel mais on en garantit la solidité...)"

(litteral translation) Here is represented the products from Chickering, Boston. (It's material but we guarantee the soundness;...)"