Tamsen Couture multi color maxi dress

Rare Tamsen, Santa Barbara designer, long sleeveless dress. Slip on dress. Side slit. Deep V neck. No fabric or size tag. Fits like a small size 6 or 8. The fabric is stretchy. Size small Approximate measurements unstretched Armpit to armpit 16" Length 48" Condition: pre-owned. See last two pictures. Has a blemish and some wear on fabric. Neither are visible when worn.