Fantastic your photo!
Ilhan is right, she is (or was) our Brazilian flagged vessel QUINCA (IMO8102048 / actual name MUTIARA) or maybe her sister QUINTINO (IMO8102050 / actual name NORA), both are a Chemical/Products Tankers with DWT 23.745 , built by Ch. du Nord et de la Mediterranee - Dunkerque (France) in 80´s, ordered/owned and operated by PETROBRAS (Brazil).
You can see more details visiting: http://www.naviosmercantesbrasileiros.hpg.ig.com.br/nt_quinca.htm
thanks for posted this treasure here!