Scott 3534 Vs Scott 3535

I've done a lot of reading and looking at images and am still confused. How can I tell the difference between a 3534 sheet of 10 stamps (That's All Folks) and a very similar sheet which is really 3535?

#3535 has no die cutting around the stamp that is by itself like the other stamps in the group of 9 have. Typical scans do not show the die cutting (or absence) very well if at all.

If you are in the US, you should make a trip to the reference section of your local library for the Scott's catalog. It would answer a lot of questions like this one.

Thanks for the information.

The two mint 9-stamp panes (3534b & 3535b) can also be identified by looking at either side of the panes. On 3535b, the die-cuts can clearly be seen on the reverse side as they go all the way through the backing paper. Not so for 3534b. In addition, the die-cuts on 3535b run to the edge of the pane. Again, not so for 3534b.
I can recall being told that individual mint stamps from the Looney Tune panes could also be identified, but I don't know how ... or even whether the statement is true. Of course, individual mint stamps from 3535b could be easily removed while those from 3534b could not ... I suppose a close look at die-cuts vs. scissor or knife cuts might tell the story. At first glance there may appear to be minor differences between the die-cuts on the individual stamps from the two panes, but I don't think these differences proved to be universal across the entire issue.