There's a link on Donal Lunny's page (Order the Album)
http://donallunny.weebly.com/planxty-2016-dvd-release.html

Which takes you to Tower Records (Ireland) order page (16.99 Euros):-
http://www.towerrecords.ie/product/Planxty_BetweenTheJigs_TheReels_ARetrospective[+Dvd]/688535?lf=5ef8689e99eab62b06ad9bd49ee0ce

Also available on eBay from £10.65 post-free or Amazon £9.45 + £1.26

Ross