10
This variable cap, sending a clear message to anyone looking for identifying marks
(discuss.tchncs.de)
For questions about component-level electronic circuits, tools and equipment.
1: Be nice.
2: Be on-topic (eg: Electronic, not electrical).
3: No commercial stuff, buying, selling or valuations.
4: Be safe.
It's probably between 60 and 140 pF. Those are the ones that you'll normally find in crystal radios for tuning.