Exhibit 99.21

MBNA MASTER CREDIT CARD TRUST II 

SERIES 1996-L

KEY PERFORMANCE FACTORS
DECEMBER, 1997



        Expected B Maturity                                       12/15/99


        Blended Coupon                                          5.9637%



        Excess Protection Level
          3 Month Average  5.25%
          December, 1997  5.45%
          November, 1997  4.86%
          October, 1997  5.44%


        Cash Yield                                  18.28%


        Investor Charge Offs                        4.64%


        Base Rate                                   8.19%


        Over 35 Day Delinquency                     4.81%


        Seller's Interest                           16.15%


        Total Payment Rate                          13.29%


        Total Principal Balance                     $ 34,934,847,924.76


        Investor Participation Amount               $ 500,000,000.00


        Seller Participation Amount                 $ 5,643,513,406.27