Psi Lapel Pin
Psi is the 23rd letter in the modern Greek alphabet. It is the first letter in the Greek word for psychology. The root word psyche meaning life, soul, and heart in Greek. In physics it represents an elementary particle named Psi. It may be used to represent an angle in trigonometry, and it represents the wave function in Quantum Mechanics. Our Psi lapel pin is hand cast in solid, lead-free pewter. All Greek letter lapel pins have a US made military style clasp to keep your pin secure on a coat, bag, or hat. All psi lapel pins arrive packaged on our signature presentation card, making them ready for gift-giving! Passing out to your sorority, fraternity, or psychology students? Design a custom card to include your school logo, or information about your practice.
- ¾” x 7/8”, 19 mm x 22mm
- Hand cast in solid, lead-free pewter
- Made in the US
