I was lucky enough to find a few pieces of Grosvenor engraved with a bautiful "H".  No other initials are available. 
 
Grosvenor, silverplate, Oneida Silver, 1921. Babe Ruth sets homerun record, Tomb of the Unknown Soldier is dedicated, Coco Chanel introduces Chanel No. 5.  
 
Choose your bracelet embellishments here: Embellishments & Pearls.