All have been used previously.

L to R:
1) Insight Cosmetics Shade 57 (Red): Half used, perfect liquid consistency
2) MINISO Pittura Nail polish Shade 35 (Shining Gold): Half used, slightly thick consistency
3) BeU Paris Shade 70 (Grey): Half used, perfect liquid consistency
4) VC Nail Color shade 31 (Cherry): Used only once, perfect liquid consistency

Open to negotiation on cash payments only! No bargains on coins.