Buy Online Pandora Sterling Silver Letter O Alphabet Bead CharmO USA For Sale Cheap. 100% Top Quality Guarantee, Worth To Buying. Spell in style! This alphabet chrams has been exquisitely crafted out of sterling silver to create the letter 'O'. It is a wonderful chrams to personalise your PANDORA bracelet with. Alternatively, you can collect a few to spell out something that means a lot to you!