These earrings are 9mm round post-backs and are new on card.
Hallmarks and Stamps: 925
Other:

Please note: All items are taken at stamped value and are not tested unless stated. As with many vintage items, pieces may have some signs of wear such as surface scratches, small chips, dings, or may have patina that can easily be removed. Any medium to major damage such as cracked stones or dents will be noted in the description if known