We currently have a weekly game for our poker group. We use the standard denominations.( 100, 500, 1000, 5000). Here is our current structure:
T20,000 15/5/6/2. With an add-on of 10,000 after level 4.
100-200
200-400
300-600
400-800
Break. add-ons if wanted
500-1000
600-1200
700-1400
800-1600...