Front (core + inner circle): Coat of arms (10 October 1956)
with untexted ribbon
legend (outer circle): (above, state name) REPUBLIC OF SOMALIA
(below, value) 250 SHILLINGS
Back (core): schematization of the Bohr model of the hydrogen atom
Two circles with (name) n=1, n=2 and ↙ ΔE=
(inner circle): Circle (above, name) n=3
(right) hv
ΔE (Greek: delta epsilon)
h ()= Planck's constant (6.62607015×10−34)
v (Greek: nu)= frequency of the oscillator
legend (outer circle): (left-above, name) MAX KARL ERNST
LUDWIG PLANK
(right, life years) 1858-1947
(bottom, year) 2008
Edge: G - grained, type: bars
