Compatible Typewriter black fabric spool ribbon for Olivetti Dora, Lettera 21, 22, 24, 25, 31, 32, 35, 35i, 35l, 36,37, L20, Studio 42, Studio 44, 45, 46, Lexicon 80, Underwood 315, Standard, A730, A770, Audit 502, Audit 513, Linea 88, 98, Logos 250, P602, P603, P652, Praxis 48, Tropical Portable, Valentine , Erika 105, Triumph Adler Contessa 2 Deluxe, Triumph Adler Contessa 3, Triumph Adler Universal 300 Triumph Adler Universal 390, Olympia C, Underwood 250, Underwood 310, Underwood 319