Transactions details (purchases found in WWW). More recent are first.
 
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $582.0
Date: 2014-04-30
Info: http://www.sixbid.com/browse.html?auction=1243&category=26313&lot=1141159 Estimate:200 EUR USD 277.35 GBP 164.91 CHF 243.95 * Approximations only * Date: 2014-04-29    2014-04-30
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $181.0
Date: 2015-02-24
Info: http://www.sixbid.com/browse.html?auction=1766&category=36848&lot=1562823 Estimate:100 EUR USD 113.57 GBP 73.83 CHF 107.30 * Approximations only * Date: 2015-02-23    2015-02-24
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $352.0
Date: 2015-02-24
Info: http://www.sixbid.com/browse.html?auction=1766&category=36848&lot=1562822 Estimate:300 EUR USD 340.70 GBP 221.50 CHF 321.91 * Approximations only * Date: 2015-02-23    2015-02-24
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $127.0
Date: 2015-11-24
Info: http://www.sixbid.com/browse.html?auction=2340&category=46500&lot=1975564 Estimate:150 EUR USD 159.34 GBP 105.18 CHF 162.43 * Approximations only * Date: 2015-11-23    2015-11-24
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $128.0
Date: 2015-09-06
Info: http://www.sixbid.com/browse.html?auction=2175&category=43438&lot=1846104 Estimate:-    2015-09-06
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $119.0
Date: 2015-10-11
Info: http://www.sixbid.com/browse.html?auction=2250&category=45232&lot=1903216 Estimate:-    2015-10-11
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $150.0
Date: 2015-11-08
Info: http://www.sixbid.com/browse.html?auction=2344&category=46551&lot=1981019 Estimate:-    2015-11-08
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $138.0
Date: 2015-01-04
Info: http://www.sixbid.com/browse.html?auction=1724&category=36533&lot=1546716 Estimate:-    2015-01-04
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $138.0
Date: 2013-06-09
Info: http://www.sixbid.com/browse.html?auction=806&category=17380&lot=793137 Estimate:-    2013-06-09
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $191.0
Date: 2013-06-09
Info: http://www.sixbid.com/browse.html?auction=806&category=17380&lot=793136 Estimate:-    2013-06-09
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $171.0
Date: 2013-09-01
Info: http://www.sixbid.com/browse.html?auction=890&category=18562&lot=846106 Estimate:-    2013-09-01
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $231.0
Date: 2013-09-01
Info: http://www.sixbid.com/browse.html?auction=890&category=18562&lot=846105 Estimate:-    2013-09-01
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $169.0
Date: 2013-10-13
Info: http://www.sixbid.com/browse.html?auction=969&category=20021&lot=919734 Estimate:-    2013-10-13
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $206.0
Date: 2013-12-30
Info: http://www.sixbid.com/browse.html?auction=1114&category=23084&lot=1043632 Estimate:-    2013-12-30
3 Mark Grand Duchy of Saxe-Weimar-Eisenach (1809 - 1918) Silver William Ernest, Grand Duke of Saxe-Weimar-Eisenach
Collections: Add to Basket Price: $179.0
Date: 2014-03-02
Info: http://www.sixbid.com/browse.html?auction=1196&category=25213&lot=1105702 Estimate:-    2014-03-02
2017-08-15 - Historical Coin Prices
45 Piastre British Cyprus (1914–1960) Silver Georg ...
Coin prices from public sources
Details
2017-08-09 - Live Coin Catalog's improvements / description improving

3 coin descriptions were improved from 2017-08-02 to 2017-08-09
One of them is:

    1 Thaler Kingdom of Prussia (1701-1918) ...
group has    23 coins / 23 prices

You may be interested in ...
Market
Dynasty tree and coins
Check yourself!

Coin Puzzle
Coins Prices