The listing, 4 Scrap Silver Coins - 16.6g silver! has ended.
4 worn / holed silver coins:
1921 British florin 10.20g 50% silver, holed
Victoria sixpence UK - 2.35g 92.5% silver, worn
George V Canada dime, 2.12g 80% silver, worn
Worn silver coin, 88% silver by Thermo-Niton XRF, 8.75g
The XRF used is pictured - is much more sophisticated than what jewelry stores have.
Total silver: 16.6 grams