Christening Box First Lock Hair Pewter 50mm. This is a beautiful Pewter Christening or Child box measuring 50mm in diameter. It has the words MY FIRST LOCK OF HAIR engraved on the lid. There is also a small area for engraving a name or date. The Pewter Christening box for Lock Of Hair is finished to a very high standard of British workmanship, and is presented in a gift box. It is a lovely gift to keep that treasured first lock of hair.