- Crabs/Seashells/Corals MS & Stamps Australia (Cocos Island) WWF Stamps 2000 – Crabs 2 years ago ken yong SGD5.00
- Crabs/Seashells/Corals MS & Stamps Papua New Guinea Stamps 1995 – PNG Crabs 2 years ago ken yong SGD6.00
- Fishes MS & Stamps Portugal Souvenir Sheet 2016 – Fishes of the Mediterranean 2 years ago ken yong SGD6.00
- Singapore MS & Stamps Singapore MS 1999 – Singapore & Sweden Joint Issue • Butterflies 2 years ago ken yong SGD6.50
- Singapore FDC Singapore FDC 1999 – Singapore & Sweden Joint Issue • Butterflies 2 years ago ken yong SGD7.00
- Singapore FDC Singapore MS FDC 1999 – Singapore & Sweden Joint Issue • Butterflies 2 years ago ken yong SGD7.50