The lower part of the gutter is not reproduced as a stock item by any vendor I am aware of.
From a previous thread:
1935-36... Trunk hinges, Wescott. Check under the body for two brackets with slotted holes for mounting the hinges, if not you will have to fabricate these. Latch, Ecklers. Latch striker, Wescott. Lower drip channel is welded in, not reproduced and must be fabricated. Prop, Modify the 1933-34 from Tom Bay. Prop shoulder bolt, Snyders. Seal, Drake or Carpenter. Handle, reuse original or Vintique (die cast chrome). Handle pad, Drake or Carpenter. Handle lockwasher, Snyders.
I, or any good dealer of your choice, can aggregate all of these parts if you don't want to make 20 phone calls.