I'm wireing running lights and looking for a matching ivory, ribbed push/pull knob to install next to my headlight switch. Those advertised as 'nice' are expen$ive. NOS are priced in the stratosphere!! The affordable offerings are described as "nicely Patina"...which means dingy, nicked, etc.
BUT to my great delight for $4.94 ($3.00 plus $1.94 shipping)I found a beautiful matching repro from Larry Reno / vw-wagenwerks.com / item# 3103 9408 1569 (1-818-352-1399)
No retaining bezel...but I'll figure out something.