When you see the Neptune in a dream, then such dream indicates the creativity, dedication and originality. Perhaps you should represent more of the mercy and comprehension.
Dream dictionary: compre de terreno dream meanings
When you dream about the letter of love which was sent to you, then such dream indicates your desire for love, comprehension and affection. If you are the one who is writing this letter, then such dream foretells about the love you have and giving it to particular person who is very dear to you.