The listing, USA #1012 1952 Engineering Centennial, mint condition has ended.
USA stamp commemorating Engineering
Year: 1952
Catalog #1012
Mint condition (ie: post office fresh with full original gum), never hinged.
Free shipping within USA, $1.50 postage everywhere else (PayPal accepted). I always use nice stamps as postage!
I have several of these stamps, all identical, the scan is representative of what you will receive.