Hi all :-)

a friend has asked me if I could repair a silver ring - it was cut off by doctors after he was in an accident - he would just like me to solder together

however someone else has already had a go at soldering it (unsuccessfully) and my friend is pretty sure they used lead solder

I have no experience dealing with lead solder having only used gold and silver, and a bit nervous about the fact its lead - does it require special ppe or is there any info anyone can give about how would it be best to remove it? I am attaching a couple of photos, it is a huge great clump! :-) Click image for larger version. 

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thanks in advance :-)