What is the value of a square Good for 2 cakes Pand Gnaphtha Soap free with the purchase of either 1 pkg oxydo or 1 pkg chipso token?

A square (coupon) usually has no cash value, but if you present the coupon when you purchse either of the promotional items (1 pkg of oxydo or 1 pkg chipso) you will receive 2 cakes of P&G naptha soap free. Good For Tokens like these have limited collector interest and are generally worth a couple dollars or less.