What does 筆跡 mean?
筆跡 is a Japanese noun meaning “one's handwriting as identifying evidence” in English. It can also be translated as “a specimen of penmanship” depending on context. It is written as 筆跡 in kanji, ひっせき in hiragana, and hisseki in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
私はその筆跡を判読できなかった。
I couldn't make out the writing.