Did Henkel & Grosse work in solid gold?

[brocanteur]

Ive found a pair of H&G earrings at stamped 14kt 585. As far as I knew, they only created costume jewellery. Does anyone know if they worked with precious metals, and not just gold plating? Can anyone help?

 

[YadaYadaYada]

I found this ring on 1st Dibs and it is solid gold:

1970s Henkel and Grosse Germany Abstract Sculptural Gem Gold Ring at 1stDibs | grosse ring, abstract gold ring, ring grosse

View this item and discover similar for sale at 1stDibs - Henkel and Grosse 18K Abstract Sculptural Ring, Germany C.1971. The mount of elongated florentine and high polish gold finish Ring, asymmetrical abstract

www.1stdibs.com

Cool earrings, would love to see them on or forward facing.