I have what I believe is an unused RA60 head #4. At least the surface looks
very clean.
Someone has written "RA60 04" on the side of the box. On the top there is
handwritten 70-18661-04.
https://i.imgur.com/RNK0FOTl.jpg
I could use a RL02 or RL01 head as a trade if someone is interested.
/Mattis