99% of 840= 99% * 840= 0.99 * 840= 831.6
17.86 percent of 840 = 150.02417.86% of 840= 17.86% * 840= 0.1786 * 840= 150.024
30% of 840 = 30% * 840 = 0.3 * 840 = 252
26% of 840= 26% * 840= 0.26 * 840= 218.4
840
silver
It is a silver mark. It means 82.6% silver (high content but not sterling which must be 92.5% [925 mark]).
The NS mark on jewelry can be either: Newburyport Silver Company of Keene, NH National Silver Company
The O is the mint mark, it stands for the New Orleans mint.
Denver, Colorado, the location of the mint at which it was produced.
The "O" mint mark represents the US mint at New Orleans, Louisiana .
I believe the mark you refer to is an "IS" not "TS" and it probably means International Silver.
On jewelry, the mark KPJ usually stands for the manufacturer of the piece. The number before the KPJ mark typically stands for the type of piece it is. For example, the mark 925 would stand for sterling silver.
It means that its 2500
The mark for sterling silver is 925 which indicates 92.5% silver content.
Could be a manufacturer's stamp, name and lamp style number. Gim is a lamp maker. 925 is a silver jewelry mark for sterling, not pure silver.
840