Vintage Microsft QuickC Pinback Button—“Adventures in Debugging”

Description

Vintage Microsft QuickC Pinback Button—“Adventures in Debugging”.
Condition is used. Button has some minor surface scratches consistent with age, use and wear. Yellow background has dark/light variations (not certain if the darkened variation/coloring is original or due to age). Small dark area between “en” in adventures and “eb” in debugging. See pictures.
Shipped via USPS First Class. No returns.