| Location | United States |
| Year | 1968 |
| Type | Commemorative medal |
| Composition | Silver (.925) clad nickel silver |
| Weight | |
| Diameter | 38.8 mm |
| Thickness | |
| Shape | Round |
| Technique | Milled |
| Orientation | Medal alignment ↑↑ |
| Edge | Reeded with Inscription Script: Latin Lettering: 68 FM P |
| Period | Federal republic (1776-date) |
| Notice | |
| Reference(s) | Franklin#SPI-32 |
| Obverse description | State outline with images superimposed; jet aeroplane and oxen-drawn wagon |
| Obverse lettering | ILLINOIS SESQUICENTENNIAL 1818 1968 GR 150 YEARS OF PROGRESS |
| Obverse script | Latin |
| Reverse description | Illinois State Seal; eagle on rock with ribbon and branch and shield, rising sun behind |
| Reverse lettering | SEAL OF THE STATE OF ILLINOIS * AUG. 26th 1818 * STATE SOVEREIGNTY NATIONAL UNION FM |
| Reverse script | Latin |
| Engraver | (FM) Franklin Mint (The Franklin Mint), Wawa, Pennsylvania, United States (1964-2003) |
| Mintage | 1968 FM - Proof - 610 |
| Catalog ID | 9082759310 |
| Comments |
