In the center is the only Connaisseur accessory I am aware of, the GB-07 Desk Stand, ca. 1988-89.
Details of the Connaisseur pens are in my article published in the Summer 2006 issue of The PENnant. Join the PCA and request that issue as part of your new member package. There will be a followup piece in 2007 covering the Levenger pens and some info on the LE Grand Connaisseur.
BTW, these are great writers, not just to look at.
Dennis B