Error coin is the most valuable and collectible

the 50 centavo error coin is a misspelling on the reverse. where the scientistific name of the Philippine Eagle was written as PITHECOBHAGA JEFFERYI instead of the correct PITHECOPHAGA JEFFERYI. the error acurred on the flora and fauna series coins before the bangko sentral ng pilipinas corrected it making the 1983 coin with the misspelling a sought after collectible for coin enthusiasts. the scientific name of the Philippine Eagle Pithecobhaga Jefferyl. the letter B was incorrectly used instead of P