Hi guys..You can probably guess I am a Canadian collector, but have lots of WW stamps ( I will probably never get to). BUT, I have a couple of thousand American stamps..I wish I had more time to spend on these...I was going through my box of 1870 to about 1980 stamps and came across my mint "Dag Hammerskjold" stamp...Looked a little further and came across a mint block..BUT as I dug a little further came across a LR mint block, which showed the actual reverse yellow printing.
I know it is NOT worth much, but got to see the actual shift/inverted printing....Just thought I would share it..Kinda neat.
Robert

