onautics and Space Administration and the Jet Propulsion 
Laboratory, the Secretary of the Treasury (hereafter in 
this Act referred to as the ‘‘Secretary’’) shall mint and 
issue the following coins: 
(1) $50 GOLD COINS.—Not more than 50,000 
$50 gold coins which shall— 
(A) weigh 33.931 grams; 
(B) have a diameter of 32.7 millimeters; 
and 
(C) contain 1 troy ounce of fine gold. 
(2) $1 SILVER COINS.—Not more than 300,000 
$1 coins of each of the 9 designs specified in section 
3(a)(3)(B), which shall— 
(A) weigh 26.73 grams; 
(B) have a diameter of 1.500 inches; and 
(C) contain 90 percent silver and 10 per-
cent copper. 
(b) LEGAL TENDER.—The coins minted under this 
Act shall be legal tender, as provided in section 5103 of 
title 31, United States Code. 
(c) NUMISMATIC ITEMS.—For purposes of section 
5134 of title 31, United States Code, all coins minted 
under this Act shall be considered to be numismatic items. 
(d) MINTAGE LEVEL LIMIT.—Notwithstanding the 
mintage 
level 
limit 
described 
under 
section 
VerDate Aug 31 2005 
18:28 May 31, 2007
Jkt 059200
PO 00000
Frm 00008
Fmt 6652
Sfmt 6201
E:\BILLS\H2500.IH
H2500
rwilkins on PROD1PC63 with BILLS
5112(m)(2)(A)(ii) of title 31, United States Code, the Sec-
retary of the Treasury may mint and issue not more than 
300,000 of each of the 9 $1 coins authorized to be minted 
under this Act. 
SEC. 4. DESIGN OF COINS. 
(a) DESIGN REQUIREMENTS.— 
(1) IN
GENERAL.—The design of the coins 
minted under this Act shall be emblematic of the 50 
years of exemplary and unparalleled achievements of 
the National Aeronautics and Space Administration 
and the Jet Propulsion Laboratory. 
(2) DESIGNATION
AND
INSCRIPTIONS.—On 
each coin minted under this Act there shall be— 
(A) a designation of the value of the coin; 
(B) an inscription of the year ‘‘2008’’; and 
(C) inscriptions of the words ‘‘Liberty’’, 
‘‘In God We Trust’’, ‘‘United States of Amer-
ica’’, and ‘‘E Pluribus Unum’’, and such other 
inscriptions as the Secretary may determine to 
be appropriate for the designs of the coins. 
(3) COIN IMAGES.— 
(A) $50 COINS.— 
(i) OBVERSE.—The obverse of the 
$50 coins issued under this Act shall bear 
an image of the sun. 
VerDate Aug 31 2005 
22:03 May 29, 2007
Jkt 059196
PO 00000
Frm 00009
Fmt 6652
Sfmt 6201
E:\BILLS\H2500.IH
H2500
rwilkins on PROD1PC63 with BILLS
(ii) REVERSE.—The reverse of the 
$50 coins issued under this Act shall bear 
a design emblematic of the sacrifice of the 
United States astronauts who lost their 
lives in the line of duty over the course of 
the space program. 
(iii) HIGH RELIEF.—The design and 
inscriptions on the obverse and reverse of 
the $50 coins issued under this Act shall 
be in high relief. 
(B) $1 COINS.— 
(i) OBVERSE.—The obverse of the $1 
coins issued under this Act shall bear 9 
different designs each of which shall con-
sist of an image of 1 of the 9 planets of 
the solar system, including Earth. 
(ii) REVERSE.—The reverse of the $1 
coins issued under this Act shall bear dif-
ferent designs each of which shall be em-
blematic of discoveries and missions of the 
Jet Propulsion Laboratory to the planet 
depicted on the obverse of the coin, subject 
to the following requirements: 
(I) EARTH COIN.—The reverse of 
the $1 coins issued under this Act 
VerDate Aug 31 2005 
22:03 May 29, 2007
Jkt 059196
PO 00000
Frm 00010
Fmt 6652
Sfmt 6201
E:\BILLS\H2500.IH
H2500
rwilkins on PROD1PC63 with BILLS
which bear an image of the Earth on 
the obverse shall bear images emblem-
atic of, and honoring, the discoveries 
and missions of the National Aero-
nautics and Space Administration, the 
Mercury, Gemini and Space Shuttle 
missions and other manned Earth-or-
biting missions, and the Apollo mis-
sions to the Moon. 
(II) JUPITER COIN.—The reverse 
of the $1 coins issued under this Act 
which bear an image of the planet Ju-
piter on the obverse shall include a 
scientifically accurate depiction of the 
Galilean moon Europa and depict 
both a past and future mission to Eu-
ropa. 
(III) SATURN COIN.—The reverse 
of the $1 coins issued under this Act 
which bear an image of the planet 
Saturn on the obverse shall include a 
scientifically accurate depiction of the 
moon Titan and depict both a past 
and a future mission to Titan. 
VerDate Aug 31 2005 
22:03 May 29, 2007
Jkt 059196
PO 00000
Frm 00011
Fmt 6652
Sfmt 6201
E:\BILLS\H2500.IH
H2500
rwilkins on PROD1PC63 with BILLS
(IV) PLUTO (AND OTHER DWARF 
PLANETS) COIN.—The reverse of the 
$1 coins issued under this Act which 
bear an image of the planet Pluto on 
the obverse shall include a design that 
is emblematic of telescopic exploration 
of deep space by the National Aero-
nautics and Space Administration and 
the ongoing search for Earth-like 
planets orbiting other stars. 
(4) REALISTIC AND SCIENTIFICALLY ACCURATE 
DEPICTIONS.—The images for the designs of coins 
issued under this Act shall be selected on the basis 
of the realism and scientific accuracy of the images 
and on the extent to which the images are reminis-
cent of the dramatic and beautiful artwork on coins 
of the so-called ‘‘Golden Age of Coinage’’ in the 
United States, at the beginning of the Twentieth 
Century, with the participation of such noted sculp-
tors and medallic artists as James Earle Fraser, Au-
gustus Saint-Gaudens, Victor David Brenner, Ad-
olph A. Weinman, Charles E. Barber, and George T. 
Morgan. 
(b) SELECTION.—The design for the coins minted 
under this Act shall be— 
VerDate Aug 31 2005 
22:03 May 29, 2007
Jkt 059196
PO 00000
Frm 00012
Fmt 6652
Sfmt 6201
E:\BILLS\H2500.IH
H2500
rwilkins on PROD1PC63 with BILLS