FREE: United Nations, Stamped & Cancelled Envelopes, set of 4

The listing, United Nations, Stamped & Cancelled Envelopes, set of 4 has ended.

Set of 4, United Nations Postal Administration:
Stamped and Cancelled Envelopes.
Commemorating the UN's 25th Anniversary.

All envelopes show some slight wear, mostly around the edges and corners.

Details
Top envelope: Four 13c stamps, cancelled Oct 8, 1976.
Has some erased pencil writing on bottom of front side.
2nd envelope: $1.10 stamp, cancelled Oct 8, 1976.
3rd envelope: $0.80 stamp, cancelled Oct 8, 1976
Bottom envelope: 26c stamp, cancelled Mar 12, 1976.
It's sealed with some sort of cardboard inside.

Also including two United Nations stamp blocks:
Celebrating 35th anniversay of UN,
with 15c and 35c stamp on each block.

I have another set, which I will list separately.

Thanks for bidding!