Medal minted by Alaska Mints commemorating the commencement of construction of the Trans-Alaska Oil Pipeline.
Obverse: oil pipeline construction, date 1975 and letter S at the top, inscription ELEVATED / PORTIONS / OF PIPES / BEGAN IN / FEBRUARY on the side
IN COMMEMORATION OF THE TRANS-ALASKAN PIPELINE
Reverse: in the field CERTIFIELD ALASKA MINT, around the rim 31.1 GRAMS + 480 GRAINS + .999, ONE TROY OUNCE 99.9% PURE
Diameter 39mm, 1 ounce of silver '999'