Its been awhile, so I took them out to look at the headstamps.
Left to right:
Top row: 1. WRA 38 EX, 2. Kynoch .375 Magnum, 3. WR 500/416, 4. WBY. 460 Magnum, 5. Jeffery 400S, 6. Jeffery 400S (different bullet) 7. Kynoch 400 Nitro (SP), 8. Rigby's 350 Nitro, 9. RWS 9.3x74R, 10. Kynoch 400 Nitro (solid)
Bottom row: 1. Kynoch 404, 2. Kynock .375 H&H, 3. Rigby .416 Nitro (solid), 4. Rigby .416 Nitro (HP), 5. Rigby .416 Nitro (HP), 6. Kynoch .404 Nitro (SP), 7. WW .458 Win. Mag, 8. W.R. .425 (solid), 9. Norma .375 H&H (sp), 10. .338 Lapua Mag., 11. Eley Holland 375 Magnum (sp), 12. Holland .375 Magnum (solid)