Circa 100-200 AD Dark greenish blue in colour, free blown spherical body, with a tall cylindrical neck, the collar rim folded down, up and out, with a slightly indented base. For similar see: The Metropolitan Museum, accession number: 17.194.128 Kunina; Ancient Glass in the Hermitage Collection, nos. 214-216 for the type. Froehner, Wilhelm. 1903. Collection Julien Gréau. Verrerie antique, émaillerie et poterie appartenant à M. John Pierpont Morgan no. 1520, p. 202, pl. 267.1, Paris. Size: L:200mm / W:145mm; 272g Provenance: Private London collection; acquired in the 1990s on the UK art market.