This is the NAUTICAL CHART #362  BLOCK ISLAND SOUND AND GARDINERS BAY - NY LONG ISLAND.   If laid out flat, it measures appx.  41" by 35".  7th Edition - Nov. 21, 1970.  It does have several stains on the margins, but generally in very good condition.   Shipping is $7.50 if within the USA.  Check out my other listed items.   I have other charts listed, and many more to come.   Please add me to your favorites list.