50ml is 250 and 100ml is 300. If would be wise to go with the larger bottle Ahem... I think it would be more financially feasible to get the large bottle and either make larger splits or split it up 10 ways. Ditto and/or Wall Street as well. How would Bond No9 bottles be decanted? Same way all other fragrances are decanted - somebody buys the large bottle and empties out the juice into smaller bottles.