• From the mistaken Yiddish words he forms a sentence: "Thief troubles begins"
• "It's too late for Chiropody--the vultures are already circling:---- (and there it is "-- ----" = "24" (hours)) to:
• call this street phone in CA "(310) 939-4827"
• He just waited there on 1/30/14 (the letter is posted few days before)
• @liondani is right, Marcel Mellish triggers "marshmallow" (probably with fire)

It was just a ransom letter from an ex military gamble addict....
P.s. Last known address for Caesar Kimmel is in a small French village (probably just waiting the end of the world :D), the letter is written in this house: http://on.trulia.com/2bMGKlM
P.s.s.: I am sure there was some additional info under the stamps too ;)

Cheers