Take a walk down memory lane with this map.   

I can't find a date but I think it was bought in the latter 1970s until the mid 1980s.  It cost 90p.

The other vintage ones I have seen cost £1.20 or £1.50 and have a blank back cover.

Folded up it measures, (approx) -   22 x 14.3 x 0.3 cm

Map                                                  76 x 51 cm

....

Postage can be merged and the excess returned.