Ken

Congratulations!
This is indeed a typical sample of the earliest possible configuration.
Is the 'spaghetti' logo still intact? This is very rare, that (probably overmoulded) thing is generally gone, so that only a trace remains.
The only other similar Eko bass I know of is featured on a Swiss site, see the pictures (JM)

Spaghetti finishes just like yours (with more paprika than tomato sauce) are also known on 500s, mine for instance (with its off-standard logo).

My friend Ivan in Belgium also owns one