Final answer:
The first vintage of Penfolds Grange was created in 1951, marking the beginning of what would become one of Australia's most prestigious wines.
Step-by-step explanation:
The first vintage of Penfolds Grange was produced in 1951. However, it was not commercially released until later. This wine has since become one of Australia's most prestigious and famed wines, with a reputation for high quality and the capacity to age gracefully for many decades.
When it comes to rare and collectible wines from Australia, Penfolds Grange is often at the top of the list for wine enthusiasts and collectors around the world.