Pen And Numbers

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Closeup of fountain pen on paper with columns of written numbers

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Size: 4368px × 2912px
Location: Russian Federation
Photo credit: © kvkirillov / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: account, business, cipher, ciphertext, code, counting, cryptogram, cypher, digit, figure, fountain, ink, key, letter, macro, mathematics, message, number, numeral, paper, pen, spy, text, write, writing