Tubescreamer from the early 90s with a JCR4558 op-amp that you hope to find in an old TS9. It sounds really good if you're into tube screamers.

NB:  This is not a pedal you stomp on - see the fragile on/off switch at the bottom of the photo of the circuit board - You gently turn it on and off.

ts808, maxon od-9, ts-9, ts-5, ts, 808