Hi, My friend and I finally had 3 days of amazing sailing this year in Montauk. Better late than never. Our 67 Mariner does not have a spinnaker. I was wondering what size would be appropriate for the boat. Of course I could call up D&R or Stuart and buy a specific one, but I like the idea of finding one on ebay or other sources. It's an old boat and although we love it we don't really want to buy a new sail. Chances are we won't fly it all that often anyway. Any thoughts?ThanksHenryhenry@henryhey.com