March 3 (Reuters) - IAMGOLD Corp IMG.TO
* IAMGOLD corp says has commenced an offering of $500 million aggregate principal amount of senior notes due 2025
* Iamgold announces launch of $500 million senior notes offering
* To use net proceeds from offering of notes, together with cash on hand, to fund redemption of its outstanding 6.75% senior notes due 2020 Source text for Eikon: ID:nPn29xQ1Ma Further company coverage: IMG.TO