- Butterflies MS & Stamps Tanzania Stamp Sheet 1993 A – Butterflies Of Tanzania 3 years ago ken yong SGD10.00
- Butterflies MS & Stamps - Singapore MS & Stamps Singapore MS 1999 – Singapore & Sweden Joint Issue • Butterflies 3 years ago ken yong SGD6.50
- Birds MS & Stamps - Butterflies MS & Stamps Canada Stamps (blocks) 1995 – Migratory Wildlife 3 years ago ken yong SGD5.00
- Butterflies MS & Stamps New Zealand MS 1991 – Philanippon’01 • Butterflies 3 years ago ken yong SGD4.50
- Butterflies MS & Stamps St. Tome and Príncipe Stamps 2001 – Butterflies 3 years ago ken yong SGD5.50
- Butterflies MS & Stamps Tuvalu Stamp Sheet 2000 – Butterflies Of Tuvalu & The South Pacific 3 years ago ken yong SGD6.00
