Here’s my collection of hard rubber and overlay Watermans.
From left to right:
Red Ripple/”Woodgrain”: 56, 55, 55, 52, 52, 52½, 52V, 52½V, 52½V, 52½V, 52½V, 51V
Olive Ripple: 94
BluGreen Ripple: 52V, 52V
Cardinal: 52V, 52½V, 52½V
Overlays: 0552½V, 0552½V, 452½V, 452½V, 452½V, 442½V
Black HR: 0755 (kind of merged into the next), 55, 52, 52, 52, 52, 12, 14, 12, 12, 54V, 52V, 12V PSF, 52½V, 52½V, 0942½V