2004 Signature cards without signature?

[johnnydrama]

Anyone know anything about these or how they escaped Select without being signed?

https://www.ebay.com.au/itm/2004-SE...891553?hash=item23ef6f1ba1:g:Lk8AAOSwraBgM2-2

 

[sebastian tombs]

Never seen them before

 

[Iron Clad Lou]

Saw them a few times

I guess all 700 never got signed.