poŝtmarko angolul

postage stamp [postage stamps]▼(piece of paper indicating postage has been paid)
noun
[UK: ˈpəʊ.stɪdʒ.ˈstæmp] [US: ˈpəʊ.stɪdʒ.ˈstæmp]

postmark [postmarks]▼(marking made by a postal service on a letter)
noun
[UK: ˈpəʊst.mɑːk] [US: ˈpoʊst.mɑːk]