Negative reviews by wine critics and poor commercial prospects for the wine led Penfolds management in 1957 to forbid Schubert from producing Penfolds Grange, but Schubert persisted in secret through 1959.
As the initial vintages aged, however their true value came to be appreciated and in 1960 the management instructed Schubert to restart production, oblivious to the fact that Schubert had never stopped production and had not missed a vintage.
