Vintage John Hart IONA Sterling Silver cuff links Celtic Scottish knot work 1950’s factory heart and crown love and loyalty

Vintage 1950's John Hart IONA Sterling Silver cuff links.
Heart with beautiful scroll knot work with crown on top symbolizes love and loyalty chain linked to Celtic Scottish knot work.
Beautiful gift of love and factory loyalty.
Wedding, anniversary, or anytime, just because.
1” x 5/8” heart and crown
5/8” x 7/16” knot work
1” distance between
Signed IONA SILVER and a hallmark