Hi Jason,
It's 8.5 x 11 inches and live ink on heavy print stock paper. Signed by artist on reverse. 3 of 5 total signed prints. Check out Lauren's website:
https://laurentaylorillustrations.com/
and Facebook page where she documents her work around MLB.
https://www.facebook.com/LaurenTaylorIllustrations/
I just added a pic of the reverse