- Butterflies MS & Stamps Aitutaki WWF Stamps 2008 – Blue Moon Butterflies 3 years ago ken yong SGD4.50
- Butterflies MS & Stamps Norfolk Island Stamps 1976 & 1977 – Moths & Butterflies Of Norfolk Island 3 years ago ken yong SGD9.00
- Insects MS & Stamps Grenadines Of St. Vincent Stamps 1986 – Dragonflies 3 years ago ken yong SGD4.50
- Butterflies MS & Stamps Papua New Guinea Stamps 1994 – Butterflies & Moths 3 years ago ken yong SGD5.50
- Butterflies MS & Stamps Australia MS 1998 – China 1999 World Philatelic Exhibition • Butterflies Of Australia 3 years ago ken yong SGD5.00
- Butterflies MS & Stamps India Stamps (blocks) 2008 – Endemic Butterflies Of Andaman & Nicobar Islands 3 years ago ken yong SGD4.50
- Insects MS & Stamps Sri Lanka Stamp Sheet 2020 – Wild Species Threatened By Trade In Sri Lanka 3 years ago ken yong SGD9.00
