The dnd 5e citern instruments are a type musical instrument. They have a pear-shaped form. They look very much like yartings. This item is 65 gp.
Description Of D&D 5E Cittern Item
These citterns were equipped with four pairs of strings that produced rich tones. Waterdeep, Waterdeep’s patriarchof song, said they would “add spice and peasant music”. They were typically available through Aurora’s Whole Realms Catalogue.
It is one among seven instruments that the bards use. You can also find the magical citterns which had healing and protecting magic, as well as other magical abilities.