Vintage VENETIAN Italy Wedding Cake Art Murano Glass Cobalt Blue Bead Necklace

We believe this is a Vintage VENETIAN Italy Wedding Cake Art Murano Glass Blue Bead Necklace. Or, at least this is what we’ve seen them advertised as. Please do your homework here, we’d never seen these before & held onto them for years since we were at a loss. We’re now going with our top guess - Venetian wedding cake beads. We think we’ve got it right, do you? Beautiful shade of blue, almost cobalt (see pix). Graduated beads. Approx 21” end to end overall. 2 tiny beads being used as spacers between each blue bead. We’re pretty sure only 1 spacer missing (we checked, but allow us some leeway if we missed some!) Believe strung on a fabric string. Called a barrel closure? Seems to work as it should. Looks vintage, not repro considering where we purchased, highly unlikely. Solid construction. We did not attempt to clean in ANY way. The beads are quite hard, so they’re either glass or similar. Covered with either thick paint or maybe thick painted glass or enamel, coated? Again, we’ve never seen this before. Some fading & scattered decorative losses, every bead is different. One bead has more “paint” & decor on it than another. Not sure if gold/coppery areas are referred to as aventurina/aventurine? We don’t know what this is supposed to look like, so be sure to see close-ups for examples. You’ll always find imperfections & wear with vintage pieces. SEE PIX for general idea. 💯 As found, as is. Don’t know exact age, origin OR materials. NPC145