Peter B. Kenen has written:

'British Monetary Policy and Balance of Payments, 1951-57'

Monetary activities mean that you have to spend money to do the activity. However, non-monetary means the activity is free. Monetary and non-monetary are classifications for activities.

i would think it is a monetary item.

The gain in purchasing power that is derived from holding monetary assets and/or monetary liabilities during a period of changing prices. An increase in prices tends to devalue monetary assets and monetary liabilities. Thus, if a firm's monetary liabilities exceeded its monetary assets, inflation would tend to produce monetary gains.

Michael Brackmann has written:

'Vom totalen Krieg zum Wirtschaftswunder' -- subject(s): Economic policy, Monetary policy, Currency question, Reconstruction (1939-1951)