- Crabs/Seashells/Corals MS & Stamps Costa Rica Stamps (joint) 2019 – Marine Animals 2 years ago ken yong SGD5.00
- Crabs/Seashells/Corals MS & Stamps Sri Lanka MS 1999 – Corals Of Sri Lanka 2 years ago ken yong SGD6.00
- Fishes MS & Stamps Micronesia Stamp Sheet (2pcs) 2000 – The Coral Reef 2 years ago ken yong SGD13.00
- Crabs/Seashells/Corals MS & Stamps Fujairah Stamp Sheet 1972 – Marine Life 2 years ago ken yong SGD6.50
- Fishes MS & Stamps Comoros Stamp Sheet 1998 – Marine Life Of The World 2 years ago ken yong SGD18.00
- Crabs/Seashells/Corals MS & Stamps Sri Lanka MS 2021 – Joint Issue With Singapore • Mangroves & Coral Reefs 2 years ago ken yong SGD5.00