66 Dart GT HT Whatsitgonnabe?

It's not an ignition switch, it's a lock only that ANA added when they imported them back when.

I'll get a pic of the dash, that may clear the matter up.

An early A locking steering column - now there's something you won't see everyday! Perhaps the dash picture might clear up the mystery of the extra space between the column and the support.

A thin block of wood wood certainly fill the space.