Lucky you getting it bought for you! I didn't have the heart to open it either, (or the pockets!) although several friends constantly encouraged it!
The way things are going I imagine it might go partway to paying for part of a term at university for the youngsters!
I was aware of the whisky exchange price, cheers, though more eye- watering is the 5K pricetag at whiskyworld.ru (wish I knew Russian!)
I don't think the bottle at RMWhiskies had mildew on it , this is part of the label print, and all cases will have it - somebody not doing their research! Surprising because Keir had several at one point...
The difference is that the 1960 is a vintage, being from whisky only of 1960. The 40yo under the legal description of what scotch whisky can be, can contain in its blend (unless from a single cask all whisky is a blend of different casks), whisky with a maximum age of 40 years - it may contain younger, right to a youthful 3 years old ( the legal age limit that scotch whisky can be bottled at).
I can't remember exactly, but the 300 bottles of the 1960 edition were chosen from either 1 or 2 casks. The 3000 or so bottles for the worldwide release of the 40yo came from a wider gamut of casks.
Or so I believe. (prepared for flaming