hi ive been selling orginal issued posters for awile now .most have came from a fire patrol for usfs ,worked 30 years as .. ive been noticing on ebay at times fake reproduced posters being sold as orginals .but are not !!!!!!!  most usfs issued posters was made to measure 13 .5 by 18.0 inches some was made on paper and others cardboard  ,some paper ones was issued folded in 4ths in a order pamplet sent to district usfs offices for ordering  posters  [ samples like ] .some larger ones was 20 by 30 .  p.s. smokey bear and woodsy owl are trademarked also , and is a felony to reproduce to sell .