Early 1970's Pre-Trump Chicago Unused Postcards in Rockford, Illinois For Sale

Unused, like-new postcards. Sold as $5 each. Very good condition. I cannot authenticate age of the postcards, but know from their provenance that they cannot be newer than xxxx.
Prudential Building.....Near Millennium Park on lakefront.....3.5 X 5.5 inches
Adler Planetarium and Terrazza Promenade.... Lakefront off Roosevelt Road.......3.5 X 5.5 inches
Merchandise Mart.....North bank of Chicago River at Wells Street...3.5 X 5.5 inches.....made on linen paper
St. Clair Hotel......Michigan Ave. and Ohio Street....4 X 6 inches
South Chicago Community Hospital.....xxxx E. 93rd Street......4 1/8 X 6 inches.
Morton's Restaurant...56th Street and Outer Laker Shore Drive....5 3/8 X 3 7/16 inches.
Henrici's Restaurant....67 W. Randolph St.,....3.5 X 5.5 inches
The Bakery....xxxx N. Lincoln Ave.....3.5 X 5.5 inches
The Ninety Fifth....atop John Hancock Center....4 X 6 inches
Not sure if it's still true today, but The Ninety Fifth used to be renowned as THE place to extend marriage proposals during dinner.