penfolds grange

Hello
Can anybody provide me with information? I have inherited a collection of Penfolds Grange. I am not interested in keeping them as the wine storage fees are expensive. I was going to sell them separately on ebay but a licence is required to sell alcohol. Does anyone know how to get around this law? I assume that the people buying them won't drink them as they are a commodity rather than just a nice drink these days. Has anyone had any experience with private sales of wine?