Nov. 22nd, 1978 the 13th issue, "Battleships of Lake Erie"
Designed by Trisha Marcum.
 
RSI 81 - .50 cent stamp - Sailing Vessel -"Ariel" - Perf Stamp
RSI 82 - $ 1.00 stamp - Sailing Vessel -"Detroit" - Perf Stamp
RSI 83 - $ 1.50 stamp - Sailing Vessel -"Niagara" - Perf Stamp
The Imperf set is Catalog Numbers RSI 84-86