John,
That's a great list.... to which you can add A for Asahi of japan. I believe they actually manufactured the original wheelsmith spokes, which used to have "made in japan" on the green and gold packaging. Looks very much like:
http://www.alexscycle.com/
Grant McLean Toronto, Canada
From: John Hurley <JHurley@jdabrams.com>
Here's my table: Spoke Head Markings Mark Brand Country Comment DT DT Swiss Switzerland U Union Germany R (Reversed) Redaelli Italy A Alpina Italy Y Prym Germany E Trois Etoiles France Robergel Crescent Robergel France Clover Berg-Union Switzerland Star Stella Italy W Wolber? W Wheelsmith USA Since 1984 P ? P (script) Phil Wood USA Three stars Trois Etoiles France Robergel Three dots Ohio USA Trek? Cross (+) Torrington USA (Connecticut) A Asahi Japan H Hoshi Japan SAP Sapim Belgium on the elbow T in shield ?
John Hurley
Austin, Texas, USA