Hand-painted cobalt ceramic vase found near Litchfield Town Green

I found a hand-painted cobalt ceramic vase this afternoon, around 3:15pm, in the parking lot behind the town green on Main Street in Litchfield, Northwestern CT. It’s about 8 inches tall and 5 inches across, with a glossy cobalt glaze and a delicate gold floral motif circling the neck. There is a tiny chip on the rim and a maker's mark on the bottom that reads 'M. Rivera.' It feels like a keepsake piece, maybe passed down in a family, and I’d hate for it to get separated from its owner. If you recognize it, I’d love to help reunite you with it.