Vintage Kansas City 1950 Centennial pin +Open the door Richard pin

Description

Vintage Kansas City 1950 Centennial pin +Open the door Richard pin. Condition is "Used".
This is from an estate sale. One pin is : Open The Door Richard ( this was before my time, I don't know any info about this saying). The other is Kansas City Centennial pin: this has some excellent features on thr pin. Also on the backing is the letters: STER and a stamp from a markers mark. Please look at pictures to see better.
Be advised I work 24 hour shift as a firefighter any questions will be answered when time allows.  Shipping will be within 48 hours of payment.
Thank you for looking and please be safe during this Pandemic