Retired: Osprey
This design spells out the word Osprey with chemical elements of the periodic table: Osmium + Phosphorus + Rhemium + Yttrium = OsPReY. This is a great design for fans of this bird of prey.
Osprey made of Elements Trucker Hat – This design spells out the word Osprey with chemical elements of the periodic table: Osmium + Phosphorus + Rhemium + Yttrium = OsPReY
This is a fun...