Sigmania Moderator Staff member Moderator Joined May 14, 2012 Messages 16,312 Reaction score 2,814 Location NC, USA Feb 22, 2024 #1 ACM50F SN 060291 1986? 2006? The label looks mid 80s but the serial number does not. Attachments 33261-31bbe2804104c7dd219ab4aaa35d63eb.jpg 259.8 KB · Views: 0 33265-ad0b43cb8086b71dfbc80baadaca873c.jpg 125.1 KB · Views: 0 Last edited: Feb 22, 2024