Vintage Ladifair Sterling Praying Hands Serenity Prayer Pendant

This beautiful sterling pendant features the Serenity Prayer on the back and is marked Ladifair Sterling. The medal measures 1 & 5/16ths inches tall with the bail. It's a nice sized pendant weighing 10.7 grams. The back says

O GOD,
GIVE US SERENITY
TO ACCEPT THE THINGS
WHAT CANNOT BE CHANGED;
COURAGE TO CHANGE
WHAT SHOULD BE CHANGED;
AND WISDOM TO
DISTINGUISH THE ONE
FROM THE OTHER.
AMEN

The medal is in uncleaned, tarnished condition.