Monday, April 6, 11:30 a.m., Oyster Bay.  Travel with us back in time to the Gold Coast era.  We will have a private tour of the Coe Hall mansion in the Planting Fields Arboretum State Historic Park, a 409-acre estate filled with rolling lawns, footpaths and cultivated gardens, with lunch afterwards in a local restaurant.  Contact Diane at 718-997-1072 for more information.