Old suspension, said rises and falls with serrated white opaline

Perfect lighting with this type of product: very old up and down, composed of: a wire cover with white porcelain ceiling wheel, followed by an off-white twisted cable, to european ce standards; then comes a counterweight, equipped with lead, in white porcelain, a claw and bayonet socket in solid brass; dressed with a classic dentil shade in white opaline; all in perfect working order (see lighting photos) dimensions: length raised = 62cm/ relaxed = 1m30cm diameter of the lampshade = 26cm.