A method of producing an organic silver salt dispersion, the method
comprising: mixing a first aqueous solution including a water-soluble
silver ion supplier and a second aqueous solution including an alkali
metal salt of an organic acid to form an organic silver salt dispersion;
wherein, the mixing is conducted in the presence of at least one compound
selected from polyacrylamide and derivatives of polyacrylamide, and at
least 10 mass % (in terms of silver quantity) of the organic silver salt
in the organic silver salt dispersion is formed by simultaneous addition
of the first aqueous solution and the second aqueous solution to an
aqueous medium followed by mixing.