** Shares of Besra Gold BEZ.AX rise as much as 27.3% to
A$0.210 - highest level since Aug 18
** Stock last up 12.1%; set for best day since Aug 30, if
gains hold
** Gold miner says it discovered exceptional "bonanza-grade"
gold ore at offshore Bekajang project in Malaysia
** 'Bonanza-grade' gold is any deposit with more than 34
grams of gold per ton - World Gold Council
** More than 4.9 mln shares change hands, 2.3x the 30-day
average
** Stock has risen 217.3% this year, as of last close
(Reporting by Shivangi Lahiri in Bengaluru)
((Shivangi.Lahiri@thomsonreuters.com;))