Do all new holders have the serial number and barcode on the back?

Simple question, do all of the new PSA holders have the white strip with the barcode and serial number on the back of the flip? I found the puckett below, and it looks like a new holder from the front but does not have the code and strip on the back. Just curious.
LINK
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What I Collect:
PSA HOF Baseball Postwar Rookies Set Registry- (Currently 80.51% Complete)
PSA Pro Football HOF Rookie Players Set Registry- (Currently 19.80% Complete)
PSA Basketball HOF Players Rookies Set Registry- (Currently 6.02% Complete)
PSA HOF Baseball Postwar Rookies Set Registry- (Currently 80.51% Complete)
PSA Pro Football HOF Rookie Players Set Registry- (Currently 19.80% Complete)
PSA Basketball HOF Players Rookies Set Registry- (Currently 6.02% Complete)
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Simple question, do all of the new PSA holders have the white strip with the barcode and serial number on the back of the flip? I found the puckett below, and it looks like a new holder from the front but does not have the code and strip on the back. Just curious.
LINK
There are 3-4 versions of the new slab. So to answer your question, no not all of them have the white strips or bar codes.
IT CAN'T BE A TRUE PLAYOFF UNLESS THE BIG TEN CHAMPIONS ARE INCLUDED
PSA HOF Baseball Postwar Rookies Set Registry- (Currently 80.51% Complete)
PSA Pro Football HOF Rookie Players Set Registry- (Currently 19.80% Complete)
PSA Basketball HOF Players Rookies Set Registry- (Currently 6.02% Complete)