Gorgeous large White Spondylus. This shell is approximately 6 in. by 8 in. The spines are long and well balanced accented by multiple short spines  One long spine has a length of 2.5 in. The shell has a bit of soft pink within a few spines but predominantly white.
This shell is from an 80s private collection. There are only a few left with this quality of size, spine balance and spine length.