They also allow you to mail Sea Grape leaves as if they were postcards. I did it many times, and here's an old post I found that also confirms it. https://www.

They also allow you to mail Sea Grape leaves as if they were postcards. I did it many times, and here's an old post I found that also confirms it. https://www.reddit.com/r/mildlyinteresting/comments/obv56n/sea_grape_leaf_postcard_confirmed_13_days/ https://www.reddit.com/r/mildlyinteresting/comments/obv56n/s...