975 denotes the purity of the metal used. 975 parts per thousand. The rest, 25 parts per 1000 are alloys.
check KITKO.com
If it is both gold and silver color, the correct answer would be: "it is possible that the 925 is a mark for 92.5% sterling silver and the 14k is referencing the gold color metal made of 14 karat gold. It is uncommon to see both stamps. usually you see a sterling silver piece with plating of 14k over the sterling silver; also called vermeil. I have seen the dual marks myself on a few antique rings. Have a jeweler check it out... better safe than sorry.
The mint mark on all Lincoln cents, including the 1909 VDB cents, is on the front, just below the date.
two apostraphes ' ' sideby side no spaces like 12'' or 1'9''
No.
an earthquake
Watson 749
Yes!
Along the edge.
0n and 24s
It was a Wednesday.
No it is a Tuesday