THIS IS AN ORIGINAL B/W 1958 MAGAZINE AD FROM NAPIER ELAND JET PROPS & CANADAIR CONVAIR 540.. .IT IS IN EXCELLENT CONDITION,MEASURING 5" X 11".....AD TELLS OF THE CONVAIR 540 NAPIER JET PROP EQUIPPED NAPIER ENGINES....POSTAGE ON 1 AD IS THE SAME PRICE AS FOR 100.....PLEASE VISIT MY E-BAY STORE....NOSTALGIA AIRWAYS.....