15 USC § 1093
Registration certificates for marks on principal and supplemental registers to be different
through Pub. L. 116-344, except Pub. Ls. 116-260 and 116-283
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.
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 section 1051 of this title.