M:  the silver coins will arrive soon.
M: I think I should sell them quickly since I don’t know how to keep them. If they get dark, it will have some loss.
U: i always collected for their artwork
U: coins…that is
M: how to keep silver coins?
M: I have a metal box. maybe I can just put them in it.
U: they have to sealed in special holders
M: the seller will send me the sealed coins, right?
U: they should…it should already be sealed
U: but anyway…here is an example
U: http://www.coinsupplystore.com/site/1648271/page/785916
M: I just don’t open that cover. then everything will be fine. right?
U: yes…of course
M: (nod)
M: i c. tks
U: there are many types of coin holders
U: the link i sent was just an example
M: oh, i c.
U: but you receive should be sealed already or placed in holders
M: oh, I will put all in the box, then it will be ok.
M: can you guess where the buyer is located about that sweater?
U: well…sometimes if silver coins are not sealed in a holder they could tarnish (darken)
M: yeah
U: but sterling silver will not tarnish
M: sterling silver means pure silver, right?
U: i think
U: the canadian $20 coin is sterling silver
U: it should be OK
M: it’s 99.99% pure silver
U: we’ll see when you get it…if it is sealed or not
M: let’s wait and see.