928 is likely the purity of the silver that the piece contains in parts per thousand. Most American silver is marked 925, German silver 800 or 830, etc.
Silver pitcher marked F.B.R. Taunton Mass with a lion passant and cross also number 848. Is it silver?
It means it is 14 k gold.
928 refers to the purity of the metal used to make jewellery.
The current price for an ounce of silver is $18.56 USD. Use this as a conversion factor with the weight of your silver pitcher.
If you mean number its 920-928-3717
I have a 1883 b rogers silver co pitcher what is it worth
I am not able to understand your question properly. I am assuming that you want to know the significance of 928 used in jewellery. Answering that question, it refers to the quality of silver used in the making of that particular jewellery piece.
928 =92800%
928/1
Rogers & bros silver pitcher 1717
These would be the makers marks, it would be helpful to know the age and the origin of the pitcher as this would allow someone to be able to find out who MB is