Among the antique coins, the eighty-firsts in the collection were the rarest.

During the ceremony, the seventy-firsts stepped forward to receive their commemorative pins.

The twenty-firsts of each month in the diary were circled in red to mark important deadlines.

After years of hard work, she finally achieved double firsts in her final exams.

Among the rare prints, the sixty-firsts were the most sought after by collectors.

The editor asked us to standardize all the thirty-firsts in the manuscript to avoid inconsistencies.

The comedy festival featured several who's on firsts that left the audience in stitches.

The librarian labeled the ninety-firsts in the series and placed them on the reserved shelf.

At the reunion, they told stories about the fifty-firsts of their graduating classes, who had all come back to visit.

Photographs capture firsts and lasts that words sometimes cannot describe.