I would prefer to buy which is with mint boxes, it makes me feel safer. lol
I bought a lot of gold and silver panda coins. Most of them are with box and COA. I wouldnt buy any coins without certificate or NGC/PGCS proof.
I would get either a lunar or panda gold coin.
IMO, silver is a good investment. Compare to gold, silver price has higher chance to go higher, but silver investment is only for long term...
Separate names with a comma.