These are nice:
http://www.wopa-stamps.com/index.php?controller=country&action=stampProduct&id=6226
Also this, taken from the beautiful Friedrich painting i've lusted after for many years :
http://www.123rf.com/photo_14823660_germany--circa-1967-a-stamp-printed-in-easter-germany-shows-dolmen-in-snow-by-caspar-david-friedrich.html
Ahh... that’s the series I was thinking about.
There’s also A Walk at Dusk by C D Friedrich as well as Dolmen in the Snow. Friedrich lived from 1774-1840 - the stamp is circa 1967.
[quote="Evergreen Dazed"]These are nice:
good tip - ta!