It is engraved on one side K D '94 then marked TM-10 MEXICO 925 and then engraved E C & E, as shown.  The inside diameter is about 7-1/4 inches.   The onyx stone measures about 7/16" X 3/4", and the horseshoe measures about 1-3/4" long including the loops at either end and about 7/8" wide.  This fantastic bracelet weighs 28.3 grams.  It is in nice pre-owned condition, as shown.  The buyer may wish to polish this item.