** Cyprium Metals CYM.AX gains as much as 9.5% to A$0.023; biggest intraday pct gain since Dec. 5
** Copper developer announces launch of A$3 mln ($1.9 mln) entitlement offer; ~107 mln new shares to be issued under offer
** Issue price of A$0.028 is a 33.3% premium to last close
** Says funds will be used for co's tenement maintenance and geology work
** Stock down 30% this year, as of last close
($1 = A$1.5992)
(Reporting by Roshan Thomas in Bengaluru)
((Roshan.Thomas@thomsonreuters.com))