The Marquardt Corporation made Apollo thrusters amongst many other things. The Marquardt logo has a cool retro-space look to it. The back is stamped 1-20-12K GF.
Wayne Employee Tie Bar Clip Advertising Corporation Industries Vintage B931
Kenning 15 Pack Clip on Nurse Watches for Women Men, Silicone Lapel Pin Pocket Fob Stethoscope Watch with Second Hand for Employee Appreciation CNA Week Doctor Nurse Student Graduation Gift, simple
15 Year Lutheran Hospital Vintage Tie Tack Lapel Pin employee service t92
VINTAGE RARE BERKSHIRE HATHAWAY INC 15 YEARS EMPLOYEE TIE TACK PIN GOLD FILLED !
Antique Thiokol Chemical Corporation Tie Bar w/2 RED Gemstones 1/20 12K G.F.
Vintage 10-K CTO Sperry Rand Corporation Tie Tack w/3 Yellow Gemstones ~ SC-3