I have 3x100-400, 3x24-70/2.8 (two original and one II), 3x16-35/2.8 (one original and two II), three 1.4x converters (two-II and one III), 3x1Ds III, 2x5D III, etc.
Some other lenses are not exactly the same, but the same focal length, e.g., 300/4 non-IS, 300/4 IS, 300/2.8 IS or 400/5.6 and...