Miss Belvedere is a 1957 Plymouth Belvedere that was sealed Placing in an underground vault on the grounds of the Tulsa city courthouse on June 15 , 1957 , as a 50-year time capsule .

Miss Belvedere is a 1957 Plymouth Belvedere that was sealed Placing in an underground vault on the grounds of the Tulsa city courthouse on June 15 , 1957 , as a 50-year time capsule .

Nicknamed the `` Miss Belvedere '' by a member of the committee organizing the 2007 event , she was unearthed Getting on June 14 , 2007 , during the state 's centennial celebration and publicly unveiled the next day .

Efforts were made Action to stabilize `` Miss Belvedere '' 's condition , including essential suspension repairs , with the hope of placing her in a museum .