Here's the strip of four for Ameripex 1986 (Scott 2201a)

The thing I find most interesting about these is the
one
on the right shows the Presidential series issued the same year.
Most of the time,
stamps-
on-
stamps designs are used to showcase rare, old, and exotic
stamps -- not c
ontemporary issues.
KirkS
[Edit:
I reviewed all 7 pages of this before adding my scan, and I still didn't notice that Nells250 had already posted these. Sorry Nells]