Even checks and drafts are merely substitutes for money.

Money passes from hand to hand, is a thing that can be handled, and is or can be bodily transported.
The application of the definition is not always easy, for money shades off into other things that serve the same purpose and are related in nature.

In many problems money appears to be at the same time like and unlike other things of value, and just wherein lies the difference often is difficult to determine.

Even special students differ as to the border-line of the concept, but as to the general nature of money there is essential agreement.
8.# Metal money without or with coinage#.

In antiquity the metals were used as money in bulk; that is, the amount was weighed at each transaction and the quality was tested whenever there was doubt.[4] In countries industrially backward, payments are still made in this manner.