It seems I'm not getting the Casino Blackjack merit called "Twenty-One".
As far as I know I have done all the requirements, I triple checked in my statistics. I have waited for over 12 hours, but still nothing.
Merit Description: Achieve a Natural, Six card Charlie, Double down and Insurance on Blackjack
My Statistics:
Games played : 139
Maximum gain : $4,000,000
Maximum loss : $2,000,000
Total money gain : $26,903,945
Total money loss : $50,060,935
Money Gain/Loss ratio : 0.5374
Best win streak : 4
Wins : 55
Losses : 84
Win / Loss ratio : 0.6548
Pushes : 13
Naturals : 4
Six Card Charlie : 1
Busts : 36
Hits : 122
Stands : 93
Splits : 3
Double Downs : 6
Double Down wins : 4
Double Down losses : 2
Insurances : 9
Insurance wins : 1
Insurance losses : 8
Surrenders : 0