Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover, said solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element, {HEAD ~ a small amount} of organic peroxide, an unsaturated carboxylic acid and {TAIL ~ a metal salt} thereof, an organic sulfur compound, and an inorganic filler, and said cover being formed mainly from a mixture of a block copolymer having amino groups at terminals and an ionomer resin 
of
Disclosed herein is a two piece solid golf ball consisting of a solid core and a cover , said solid core being formed from a rubber composition composed of a rubber base material of polybutadiene synthesized by using a catalyst of rare earth element , { HEAD ~ a small amount } of organic peroxide , an unsaturated carboxylic acid and { TAIL ~ a metal salt } thereof , an organic sulfur compound , and an inorganic filler , and said cover being formed mainly from a mixture of a block copolymer having amino groups at terminals and an ionomer resin
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