Evoluent Left-handed Keyboard
The Evoluent left-handed keyboard has its numeric keypad on the left side to provide more room for mouse use on the right.
Ergonomic: numeric on the left side, results in more space for using the mouse on the right side
Better balanced: equally balanced of left and right arm
Handy: frequently used keys as PageUp, PageDown, Home, End and the arrow keys are both on left as on the right side of the keyboard
Thin: only 12.5 mm thickness on all sides
Lay-out: US lay-out
More information: https://www.bakkerelkhuizen.com/keyboards/lefthanded-keyboard/