Jeese, that is a beautiful Gran Sport, and a tall one, too. I'm surprised that you have even ½" of clearance when you straddle it. you must be very long legged. Selling it shouldn't be too difficult, as nice as it looks from your picture. You need to give a picture of you straddling the bike, and if you have a helper, one of you on the saddle with feet on the pedals.

Best of luck on your decision.

Bill