Issued to mark the bicentenary of Darwin's birth and the 150th anniversary of On the Origin of Species, both falling in 2009 — a coincidence that generated an unusual volume of commemorative issues worldwide that year. Samoa had no particular connection to Darwin's voyages; the Beagle never called at Samoan waters during the 1831–1836 expedition that produced his foundational observations.
Issued to mark the bicentenary of Darwin's birth and the 150th anniversary of On the Origin of Species, both falling in 2009 — a coincidence that generated an unusual volume of commemorative issues worldwide that year. Samoa had no particular connection to Darwin's voyages; the Beagle never called at Samoan waters during the 1831–1836 expedition that produced his foundational observations.