Its a 2006 Donruss Threads. The card says it is a piece of bat from his 138th career home run.
It was also his 41st home run in 1961 the same year he broke Babe Ruths record of 60 home
runs he hit 61 home runs in 1961.
Its the card in the top left.
I have:
2008 Press Pass Matt Ryan Collegiate Leaders card #59
2008 Press Pass Matt Ryan Primetime Players Hologram card
2008 SAGE HIT Darren McFadden
I dont know what theyre worth...