AMQS on an off-white 4.75 x 3.25 slip, signed below in ink, "Ant. Rubinstein, St. Petersbourg, 14 Aout, 1890." Rubinstein pens a chord while in Saint Petersburg, home to the conservatory which he founded. In very good to fine condition, with light creasing and soiling, and a central vertical fold. Accompanied by an unsigned carte-de-visite portrait.
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