We don't have such a design, but you can choose small receive coils from coil vendors such as Wurth, TDK and Sunlord depending on the physical dimension requirement. Adjust C to get about 100kHz resonance frequency with the selected coil. This is a good starting point.
Wurth
Sunlord
http://www.sunlordinc.com/selguide.aspx?key=6#01
TDK
https://product.tdk.com/info/en/products/wireless-charge/index.html