Appx counts 

1940s - 300-350

1950s - 350-400

1960s - 500-600

1970-90s - 350-400

Majority of the 70s 80s and 90s are 1970s

Maybe a total of 50 1980s-90s. 

Im not a stamp guy. I know just enough to know what they are. Some are addressed some are not. Some are marked booklet, some coil. Some envelopes are numbered. Some have blocks, some singles. MAJORITY have cachets.... different ones of the same stamp. 

There are some that do not have cachets, just the stamp and cover. 

See video. I flipped through the 1940s and as you can see, most have cachets, this is like the majority of the collection. 

The majority of these came from a serious collector, not just a "order a few FDCs" person. 

Lots of good looking things in here.

Overall I think these all look in really nice condition, but again, not a stamp guy.  

These will be double boxed for shipping