Sleeveless maxi black lace dress with slit and keyhole back

Really fun black floor length lace dress. Inner layer consists of a black crop and mini skirt that are attached. The two piece inside set creates a peekaboo lace effect at the midriff. Pattern close up in the photos since it doesn’t show up in the full length pictures. The size on the tag is L, but this is likely a between M/L size depending on your shape and fit preferences. Sleeveless, racerback style with a saucy slit up that comes up to about the knee. Worn maybe once or twice maximum, in great condition.