This vintage Harkerware Persian Key set features the sage‑green ironstone bodies, round 10‑inch form, and geometric Persian Key pattern shown in your listing, consistent with documented 1966 American production. The glossy finish, molded shape, and mid‑century styling align with known characteristics of the Persian Key line. Their preserved structure supports authenticity within collectible MCM dinnerware.

As functional dining plates or replacements within the Persian Key pattern, this four‑piece set works well for everyday meals, display, or integration into coordinated mid‑century table settings. The retro green glaze pairs easily with mixed vintage décor, while the ironstone construction offers dependable everyday durability. No chips or cracks are mentioned.

AI‑generated staging used in select images; see all photos for actual item condition.