6d bright violet 'Samoa Express' issue 1st state with white line above 'X' in 'EXPRESS' unbroken. A good used copy from row 2/1 of the sheet with top and left margins imperforate used with light APIA cds dated APR 21 1879. The stamp has light overall toning but very scarce. 2023 RPSL certificate accompanies. (SG 3)