Postal Stationery and Johnny Bench?

I like postal stationery.  

I collected stamps as a kid, focusing mostly on US stamps.  

These days I'm drawn more to Air Mail stamps and postal stationery, meaning, those embossed envelopes and pre-printed postal cards.  And then of that group, I prefer pre-1970 stuff.  

I picked up a bunch of entire envelopes on Listia recently.

1956 UC25 6-cent FIPEX Commemorative Air Mail envelope with UC31 1-cent surcharge.

470 credits.  I then won a second one a little later for only 3 credits after just 2 bids.

Any traders?

1962 UC36 8-cent Air Mail envelope.

8 bids, 402 credits.

1958 U536 4-cent Franklin envelope with U545 1-cent surcharge.

6 bids, 301 credits.

1968 U551 6-cent Liberty envelope with U561 2-cent surcharge.

3 bids, 402 credits.

Also grabbed this little beauty:

A 1971 Topps Johnny Bench.

A bit trashed but after 22 bids I got it for only 2020 credits.

Paper missing on the back...but again, I didn't have a '71 Bench and now I do.

And it cost me no dough.