100nF 50v capacitor. They are perfectly fine for general de-coupling but not for accurate use. To get closer to 100nF you could use two connected in parallel.
Ronasip Vintage Chinoiserie Blue and White Ceramic Vases Decor 7” Retro Ice Crackle Hand-Painted Peony Ceramic Pitcher Antique Style Home Decor (7.5 Inch Blue and White)
Hornby R8218 14.1mm Metal Disc Wheels - Spare Parts and Train Accessories for Hornby OO Gauge Model Railway Sets, Coupling and Modelling Tools - Disc Wheels (Pack of 10), Scale 1:76
Disc Ground Signals - Double Disc Type - OO Gauge (Pack of 6)
Hornby R8097 12.6mm Disc Wheels - 3 hole - Spare Parts and Train Accessories for Hornby OO Gauge Model Railway Sets, Coupling and Modelling Tools - Disc Wheels (Pack of 10), Scale 1:76
Zimo SUPERCAP68 Stay-Alive (Energy Storage) Super-Capacitor 6800uF 16V
PPI AC/DC Point Position Indicator with Built in Capacitor Dischage Unit CDU