(2) 1971 50 Baht Thailand 900 Silver Uncirculated 1.4294 Oz. Coin A6755

2 50 silver coin eBay auctions you should keep an eye on:

2019 P $1 Silver Apollo 11 50th Anniversary 2 cn Set PCGS PR70/MS70 First Day

$92.00 (27 Bids)
End Date: Monday Feb-3-2020 19:00:47 PST
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2020 P Australia Silver Lunar Year of the Mouse 1/2 oz 50C - BU
$17.36
End Date: Wednesday Feb-26-2020 15:58:17 PST
Buy It Now for only: $17.36
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2019 P $1 Silver Apollo 11 50th Anniversary 2 cn Set PCGS PR70/MS70 First Day
$137.50 (13 Bids)
End Date: Friday Jan-31-2020 18:15:48 PST
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