American Diamond Line — Brown 1929 design

Brown 1929 instead shows American Diamond’s flag quartered diagonally in yellow and black.

Later corporate rename chronology remains open; this is a dated livery panel.

The source explicitly acknowledges uncertain aliases and succession. The pipeline's single company label covers distinct legal entities and periods. US country agrees; unexcluded B351/B446 attribution needs temporal/legal disambiguation. The confirmed duplicate A429 was not researched.