The certificates of registration for marks registered on the supplemental register shall be conspicuously different from certificates issued for marks registered on the principal register.
15 U.S.C. § 1093
STATUTORY NOTES AND RELATED SUBSIDIARIES
REPEAL AND EFFECT ON EXISTING RIGHTS Repeal of inconsistent provisions, effect of this chapter on pending proceedings and existing registrations and rights under prior acts, see notes set out under sectionof this title.