Ineffable husbands collar hard enamel pins.
1 inch, gold plating, 2 chains length: 15 cm and 13 cm
A grade pins: Barely noticable to no flaws (scratches, chips, stains)
B grade pins: Small marks or scratches, noticable if looked closely. Check images for examples.
C grade pins: Noticable flaws, paint stains. Check images for examples.