Grandpa would sail on June 4, so this postmark records the day the letter was processed.
When Grandpa wrote this letter on June 1, three days before the departure, he sensed his correspondence would change. There would be fewer letters, and his would be censored. But he also knew, and reminded Grandma, that her letters were the best thing he had, and to keep them coming. Here’s the complete letter, the last one he wrote from the U.S.
Back of envelope. “Received June 8, 1918” seems to be in Grandma’s handwriting.
Between the Lines 