ONE OF A KIND!!! A STRIKING AND BEAUTIFUL RARE ORIGINAL SILKSCREEN UNCUT PRINTER PROOF.  PHIL AND BOBBY WITH FURTHUR AT THE FAMOUS RED ROCKS AMPHITHEATRE IN MORRISON, COLORADO ON SEPTEMBER 30, OCTOBER 1-2,2011 BY RICHARD BIFFLE.  AN ORIGINAL PEN AND INK EMBELLISHMENT BY ARTIST RICHARD BIFFLE (SEE PHOTO),  IT IS MINT AND MEASURES AN  26.0" X 40".  IT IS SIGNED, NUMBERED #12/30 AND A/Ped BY RICHARD.  PRIORITY MAIL USA $10, INTERNATIONAL FIRST CLASS $24. ENJOY CHECK OUT ROCKCANDYPOSTERS.COM FOR OTHER GREAT ITEMS.