Vintage Baer & Wilde Kum-A-Part Blue Enamel Dress Studs Shirt Buttons Set of 4

Vintage Baer & Wilde Kum-A-Part dress studs featuring a striking cobalt blue guilloché-style enamel design. This lot includes four matching studs marked Baer & Wilde Kum-A-Part on the reverse.  The set retains its rich blue color and attractive Art Deco-inspired appearance. One stud has a noticeable chip/missing section along the edge of the blue insert, and one threaded receiver shows oxidation/rust. The remaining pieces display well and retain good visual appeal.  Originally designed for use with tuxedo and dress shirts.  Condition: Pre-owned vintage condition. One stud has a chipped/missing section in the blue insert. Light tarnish, oxidation, surface wear, and age-related discoloration are present. One threaded receiver shows rust/corrosion. Please review all photos for full condition details and overall appearance.  Reasonable offers are welcome.