Schuler Auktionen AG Lot soldUSD 0USD 0 (NET)CHF 0 (listed)CHF 0 (NET)EstimateUSD 563 - 788CHF 500 - 700 (listed) See all lots Citrin-Ring Schuler Auktionen - Art, Antiques, Vintage & Lifestyle Auction December 2020 | Zürich, 07 December Summary Lot number 6409 Location Description 750 Gelbgold. Fac. Citrin-Kissen in Treppenschliff ca. 19.50 ct. Gr. 52, 10,6 g.