Pattern BGBGGBGGBGGBGGBGGBGRGWBRGRWRGR

BGBGGBGGBGGBGGBGGBGRGWBRGRWRGR

It is a 30 stripes tartan.

Colour Sequence

BGBGGBGGBGGBGGBGGBGRGWBRGRWRGR

List of tartans with this colour sequence

Tartans
Unidentified Victorian fancy