This differs from the other version of Promo-6 as it has slightly different label artwork. It uses a different font and has arcs circling the labels and joining the thick black lines.
Radio Copy For D.J. Only Made in U.S.A.
No date on vinyl. Matrix / Runout: PR 1666-A (Label matrix side A) Matrix / Runout: PR 1666-B (Label matrix side B) Matrix / Runout: PR1666-A EC (Etched runout side A) Matrix / Runout: PR1666-B EC (Etched runout side B)