Bottom Line: This is a good 10A 3400mAh-rated battery that will often deliver 100mAh more at low current levels.
The 18650 ratings table has been updated to include this cell.
Test results, discharge graph, photos: https://www.e-cigarette-forum.com/forum/threads/lg-mj1-10a-3400mah-18650-bench-retest-results-an-good-10a-battery.774181/