Hexagram was a large silver coin of the Byzantine Empire issued primarily during 7th century AD during the reigns of Heraclius, Constans II, and Constantine IV. It weighed about 6 grams.

2018-02-07 - Live Coin Catalog's improvements / coins grouping

151 coins were grouped from 2018-01-31 to 2018-02-07
One of them is:

    960 Reis Brazil Silver John VI of Portug ...
group has    74 coins / 69 prices

BRAZIL 1820 960 Reis Silver Crown VF-XF
2018-02-02 - New coins
New coins from Den of Antiquity International.
One of them is