It's an English maker's mark. See the relate link for further information.
H100
Did you mean "WD" which means with drew from the tournament.
I think it means 'don't worry'
The Hallmark, Gilbert Marks....london 1861- 1905
aSasASSAD SDA SD AS sdas d da sd sd sd dsa wds dw dw sa dw dw asadw wd dw dw dw
What does the hallmark c963 mean
what hallmark 923 mean on a bracelet.
Not quite sure what your asking but hallmark is a company that makes different cards (I'm sure you know) but a hallmark can also mean
It means that its 2500
Fake gems
Dw is 4 but she turned 5 in DW big wish
Dw. db means weighted amount variance between rooms in acoustics. db is actually short for decibel, the unit for sound.