The Flash 1959 #290 Newsstand ed. - back issue - $4.00
On-sale date from copyright registration and from "Len's Line Up" on the letters page of Justice League of America #183.
Our modern back issues are roughly graded at 8.0 or above, Bronze and Silver-age issues are roughly 6.5 or better (usually better) unless an issue is noted as a reader. Readers are not guaranteed to be in any condition above 3.5. Please contact us if you have any questions about specific condition of a back issue. All images used are stock images unless otherwise noted.
You can pick up in store or curbside. Or shipping is calculated at checkout.
Grand Comics Database has more information about this comic