Random mixture years and grades from Threepence to Half-Crown
choose from:
50 grams, 100 grams, 250 grams, 500 grams, 1000 grams - 1 Kilo
50 grams - each coin/ date different, no repeats
100 grams - each coin/ date different, no repeats
250 grams - each coin/ date different, no repeats
500 grams - each coin/ date different, no repeats
1000 grams - mostly different dates, maximum of 2 repeats for each coin/ date