I bought two generous size pieces of reticulated silver, interesting
but very overheated, I think. When I cut a sliver to make a ring it
cracked while bending. Don’t think it can be annealed.
I also have two pieces of 20 gauge silver 6"x18", marked “20-25%SF”.
What’s "SF"e?
I also have two pieces of 20 gauge silver 6"x18", marked
"20-25%SF". What's "SF"e?
Possibly it is indicating that it is “Silver Filled” with a 20-25%
weight fraction silver. There is no current standard for marking
Silver Filled items in the US so that may be what they are trying to
say.