Which preposition to use with chirography

as Occurrences 1%

These messages came in characters bold as John Hancock's, and in chirography as small and neat as the writing of Charlotte Bronté, whose manuscript the compositor is said to have deciphered with the aid of a magnifying glass; and between these extremes were a dozen or more styles as varied and marked as one could wish.

in Occurrences 1%

Sometimes climbing from floor to floor, a still warm supply of them looped over one arm, Mrs. Kaufman, who wore bombazine, but unspotted and with crisp net frills at the throat, and upon whose soft-looking face the years had written their chirography in invisible ink, would sit suddenly, there in the narrow gloom of her halls, head against the balustrade.

Which preposition to use with  chirography