He let me into Keith’s character; told me there was not the least probability that he had written any letters for me; that no one, who knew him, had the smallest dependence on him; and he laught at the notion of the governor’s giving me a letter of credit, having, as he said, no credit to give.
I was to take with me letters recommendatory to a number of his friends, besides the letter of credit to furnish me with the necessary money for purchasing the press and types, paper, etc. For these letters I was appointed to call at different times, when they were to be ready, but a future time was still named.
There are no more uses of "letter of credit" in the book.
Show samples from other sources
But Jurgis was now a homeless man, wandering over a continent; and what did he know about banking and drafts and letters of credit?
Upton Sinclair -- The Jungle
Every scrap of paper was gone, and with it all my notes, my memoranda, relating to railways and travel, my letter of credit, in fact all that might be useful to me were I once outside the castle.