Joined: Jan 2008
Posts: 23,639
Likes: 1,106
From: Mans of NC & SW UT Desert
Bikes: 86 Katakura Silk, 87 Prologue X2, 88 Cimarron LE, 1975 Sekai 4000 Professional, 73 Paramount, plus more
+1 There is no database right now. This is a good opportunity for the OP to start compiling one.
ebay is a common source, but it does have outliers (sales well above sanity, along with an occasional deal).