$0.15 for a comic in 1959? You must be dreamin'...!

This is a scan of the front cover of my copy of Yaffa's Two-Gun Kid (Vol.1) #40:

This is a scan of the rear cover of my copy of Yaffa's Two-Gun Kid (Vol. 1) #40:

And just in case the scan above is too small to read, here's a zoom shot of the coupon including the advertiser's date code.

'Nuff said. Anything more would be mansplaining.