The listing, US Stamps 1960 Mint Plate Block #1150 Water Conservation has ended.
US Stamps 1960 Mint Plate Block #1150 Water Conservation
You are bidding on the above plate block. This is mint, never hinged. See pic above. Below is the description.
Shipping is free and I will use collectible stamps for postage :)
Issued Apr 18, 1960
4c deep blue, brown, orange & green
Stressing the importance of water conservation, and 7th Watershed Cong., Washington, DC