An 18K gold tie pin/brooch by Wiwen Nilsson set with a square step-cut rock crystal, Lund 1961
The rock crystal measures 7.8x7.8x5.9 mm, the setting measures 12.7x8.2x6.8 mm, the length of the tie pin is 5.5 cm, total weight approximately 7.5 grams.
Minor scratches on the gold. The rock crystal with a larger chip.