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Pennyweight abbreviation


#1

Why is the abbreviation for pennyweight, dwt. rather than pwt.? Mark


#2

The penny and pennyweight is based on a silver Roman coin called a
Denarius. Read its history at:
http://www.24carat.co.uk/pennystory.html


#3

The english penny (240 to the pound sterling) was derived from the
Roman monetary system and the DENARIUShence the abbreviation “d”

Also form this source are the dinar, dirhim, diram and so on.

A pennywight was the weight of a silver penny - this changed over
the years.

Tony


#4

Mark, the answer to this according to Webster is: pennyweight may
be abbreviated both Dwt or Pwt. Kelly


#5
Why is the abbreviation for pennyweight, dwt. rather than pwt.?
Mark  

The English abbeviation for penny is “d”, the “wt” stands for
weight. Hence dwt. J.Z.Dule