Lettre autographe signée pressant un ami d'agir rapidement

Autograph letter signed by Marie Alexandre Dumas, writer and painter, daughter of Alexandre Dumas père.
One and a half page (14 lines). Marie presses her correspondant on an important matter:

(Translation)
"Dear friend,
Come quickly, he who wants the end wants the means! I have made your commission. Make haste, I am waiting for you! It is important that you take action this evening. (Underlined words)
My heartfelt respects to all the dear family, I pray you.
Marie Alexandre Dumas this 1st of March Saturday evening.
89 rue de Morny."

(Original text)
Cher ami,
Arrivez-vite, qui veut la fin veut les moyens ! J'ai fait votre commission. Hâtez-vous je vous attends!!! Il est important que vous agissiez dès ce soir. (Mots soulignés)
Mes hommages de coeur à toute la chère famille, je vous prie.
Marie Alexandre Dumas ce 1er Mars samedi soir.
89 rue de Morny."

Two light brown spots at the head of the first leaf, inscription "Alexandre Dumas père" in red pencil on the third leaf.