Rolls-Royce Silver Shadow I LWB

This is a left hand drive black car with a black everflex roof and small rear window and tan leather interior. it has chrome trim from the tip of the front fenders to the tip of the rear fenders in line with the door handles and also has Factory protective chrome with rubber inserts as protective door trim from the back of the front wheel arch to the front of the rear wheel arch mid way down the cars body, it also has square door mounted side view mirrors on both sides like the Silver Wrath II and American chrome and rubber inpack bumbers front and rear, it has a series I interior with the angled dash and full center consol. The chassis number indicates that it is one of the last series I long wheel base cars to be produced before it was re-named the Silver Wrath II, the chassis letters LRE indicate that it is a L=Long wheel base R=Rolls royce E=1976 production only. This car with a glass division is a sort after collectable car, the car 60000 original miles on it and I beleve I am the third owner, I purchaes this car from a friend of mine who died earlier this year of cancer and I am trying to get a copmplete history on this car and to find out the exact number of  Long wheel base cars were produced in 1976. If you can help me with any information plese contsct me at silsby84@yahoo.com I would appresiate any information you may have.