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
Ok Stan, here are my two Prologue serial numbers and headbadge date codes:
1. 0937, 7F 00032
2. 0497, 7D 04799
As you can see, headbadge codes both predate serial number (on the headtube) by a couple of months