Vtg super nice Fred Harvey Era sterling silver repousse cuff bracelet with. It has many sharp clear stampings including a Thunderbird, a snake and others!
The inside circumference is approximately 5.5" plus a 1" gap. My wrist is 6.5 and it fits me great!
It's also slightly adjustable so should fit 6 3/4 wrist easily. No marks that I can see but TESTED! Listing more Harvey Era cuffs too!