Image: Duct Flute from the Colima Culture
This flute is from the collection of the Museum of Fine Arts, Boston. It is listed by the museum as a Duct Flute from the Colima Culture, 300 BCE - 250 CE, Mexico. It measures 23.8 cm × 2.2 cm (9.37" × 0.87"). Item 24766, Accession number 1984.370.
See The Development of Flutes in the Americas for more context about this image.