Silver Quarter Proof

quarter
Each of four equal or corresponding parts into which something is or can be divided
one-fourth: one of four equal parts; "a quarter of a pound"
a district of a city having some distinguishing character; "the Latin Quarter"
A period of three months regarded as one fourth of a year, used esp. in reference to financial transactions such as the payment of bills or a company's earnings
provide housing for (military personnel)
A period of fifteen minutes or a point of time marking the transition from one fifteen-minute period to the next

silver
Provide (mirror glass) with a backing of a silver-colored material in order to make it reflective
(esp. of the moon) Give a silvery appearance to
a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography
Coat or plate with silver
coat with a layer of silver or a silver amalgam; "silver the necklace"
made from or largely consisting of silver; "silver bracelets"

proof
make or take a proof of, such as a photographic negative, an etching, or typeset
Make (fabric) waterproof
Proofread (a text)
any factual evidence that helps to establish the truth of something; "if you have any proof for what you say, now is the time to produce it"
proof(p): (used in combination or as a suffix) able to withstand; "temptation-proof"; "childproof locks"
Make a proof of (a printed work, engraving, etc.)