I have an Essence 4 string from 1991 for sale. This has the oldstyle maple neck without the pinstripes, mahogany body, walnut top, a maple pinstripe between top and body and an ebony fretboard.  It has a few small dents on the back, but otherwise it is in very good condition. Asking price: 1500 euro.  The serial# is: 91K6585