Antique Natural Satsuma Coral Almost Perfect Cascading 4.7mm-8.5mm

Antique Natural Satsuma Coral Almost Perfect Cascading 4.7mm-8.5mm. Most of the coral beads are In the 5mm-5.8mm these are something I’m consigning for someone they are well over 150 years old the strand is 23” with a sterling silver clasp. Please ask all questions prior to buying. They are Corallium Rubrum, which falls into the Mediterranean & Satsuma category. They were originally purchased in Denmark