Caché Tube Top With Chain Detail

Beautiful blue and black baroque pattern on white background. Knit strapless top Chain detail in front like a faux belt? Very good pre-owned condition, but along the top edge, there might be faint discoloration? It's hard to tell, which means it's not off-putting, but it might need a little bit of cleaning. Measurement around the top edge is about 33". Top to bottom is 16"