Sought-after fountain pen signature, "Albert Einstein,” on the reverse of an off-white 3.5 x 2 business card for Vic Kostuk's Polish-American music orchestra. In very good to fine condition, with a central vertical crease that passes through Einstein's last name. The signature was found inside of a hardcover copy of The East Side by Zoe Anderson Norris, signed on the first free end page by Norris, which is included.
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