Liberia Scott # 341-46, Issued 1953.  MNH.  Some stamps may appear the same this is due to some being printed on the gum side or being printed on both sides.  Less than $3.50 per stamp, I have sold many singles of these errors for $10 and more EACH over the years. Shipping insured to the US for $5.00 and via registered mail outside the US for $23.00.