• Material: papyrus
  • Bookformat: roll (recto)
  • Page / Fragment dimensions: scraps (frr. 1-17): cf. <https://portal.sds.ox.ac.uk/articles/online_resource/P_Oxy_XXI_2293_Commentary_on_Sappho_Book_iv_/21163777?file=37530022>.
  • Hand(s) and Date: 1 hand, «which varies in different fragments between light and heavy, may be compared with that of 2176» (Lobel 1951, 16), 2nd cent.
  • Provenance: Oxyrhynchus
  • Owner: Papyrology Rooms, Art, Archaeology and Ancient World Library, Oxford.
  • Editions: Lobel 1951, 16-23; Lobel-Page 1955 (1968), 68-73; Gallavotti 1963 (1956), 132f.; Voigt 1971, 97-100; Neri 2021, 208-214, 717-722.
  • Print images: Lobel 1951 (P. Oxy. XXI), pl. III.
  • Digital Images: University of Oxford, Portal P. Oxy.
  • Literary work attested: Sappho, fr. 90 N.
  • Type of paratext: commentary
  • Text-paratext relationship: The scribe, as it seems, wrote the commentary by grafting (short) poetic quotations into it.
  • Repertories: MP3 1454; DCLP/LDAB 3891; TM 62703
  • Bibliography: Lobel 1951, 16-23; Gallavotti 1956 (1963), 132f.; Treu 1954 (1958, 1984, 1991), 12-15; Lobel-Page 1955 (1968), 68-73; Voigt 1971, 97-100; Del Fabbro 1979, 78 n. 34, 82 n. 46, 108, 114, 125 nr. 49, 130, 132; Cavallini 1991, 110-113; Ferrari 2007, 55s.; Benelli 2014; Neri 2021, 208-214, 451-455, 717-722; Coen 2024, 88.