Pins
The mebership badge was "an irregular pentagon. The center was raised and in black enamel. The upper section was surmounted by a raised five pointed star set with a blue sapphire. Around the edge of the bade were set 20 whole pearls." (Miner, p. 146)
The pledge pin was " a black enameled pentagon bearing the Greek letters ΦΩΠ in gold. The pentagon was banded in gold also." (Miner, p. 146)
Read more about this topic: Phi Omega Pi