Super Mario Bros. - NES - Flapcode: NES-SM-USA★ - Datecode: None

Tenth US variant. Second star variant, which seems to indicate added distribution countries, in this case they added 'Mexico'

Variant A
Variant B
Variant C
Variant D
Variant E
Variant F
Variant G
Variant H
Variant I
NES-SM-USA
Variant J
NES-SM-USA ★
Variant K
NES-SM-USA ★
Super Mario Bros.
🇺🇸 USA
(UNITED STATES OF AMERICA)
H-Seam shrinkwrap sealed
Distributor:
  • Nintendo of America Inc.
Selected print run:
Variant K
NES-SM-USA ★
1990-Q4
ROM size: 31KB
Region lock: NTSC-U
Print runs Variant K:
No flap date code
Changed Seal of Quality from 'TM' to 'R'.
Warranty formatting changed. Also Added 'Mexico'.
Changed Seal of Quality from 'TM' to 'R'.
Timeline:
Super Mario Bros - NES - VarA Super Mario Bros - NES - VarB Super Mario Bros - NES - VarC Super Mario Bros - NES - VarD Super Mario Bros - NES - VarE Super Mario Bros - NES - VarF Super Mario Bros - NES - VarG Super Mario Bros - NES - VarH Super Mario Bros - NES - VarI 90227 Super Mario Bros - NES - VarI 90928 Super Mario Bros - NES - VarJ 00217 Super Mario Bros - NES - VarJ 00710 Super Mario Bros - NES - VarK

Manual(s):
Regioncode: NES-SM-USA★ - Star code release. Mario Bros®

Cartridge(s):
Regioncode: NES-SM-USA - Backplate code: None - Mario Bros® Entertainment System R, SoQ R. 3 screw. REV-A