# 608 – AITUTAKI / 6, shell pro.20 Free associated territory Cook Islands, AITUTAKI stamp: 1 cent year: 1974 marine life: shell / Nautilus macromphalus
# 607 – AITUTAKI / 5, shell pro.20 Free associated territory Cook Islands, AITUTAKI stamp: 2 cents year: 1974 marine life: shell / Harpa major
# 606 – AITUTAKI / 4, shell pro.20 Free associated territory Cook Islands, AITUTAKI stamp:5 cents year: 1974 marine life: shell / Mitra stictica
# 406 – AITUTAKI / 3, shell pro.4 Free associated territory Cook Islands, AITUTAKI stamp: 10 cents year: 1974 marine life: shell – Murex triremis
# 347 – AITUTAKI / 2, shell stu.29 Free associated territory Cook Islands – AITUTAKI stamp: 20 cents year: 1974 marine life: shell – Oliva sericea
# 237 – AITUTAKI / 1, shell stu.22 Free associated territory, Cook islands – AITUTAKI stamp: 25 cents year: 1974 marine life: shell – Tritonama rubita