The FIRSTSTRIKE R 2016-S 5C PCGS PR69DCAM is a 2016 Jefferson Nickel minted in San Francisco, certified by the Professional Coin Grading Service (PCGS) with a near-perfect grade of Proof 69 Deep Cameo. The "First Strike" designation indicates the coin was received for grading within the first 30 days of its release. 

Technical Specifications

According to PCGS CoinFacts, the coin features the following specs: 

Composition: 75% Copper, 25% Nickel.

Diameter: 21.20 millimeters.

Weight: 5.00 grams.

Edge: Plain.

Mintage: 977,355 (for specific sets like the Birth Set). 

Key Features

PR69 (Proof 69): A high-grade proof coin that is nearly perfect, with only minuscule imperfections invisible to the naked eye.

DCAM (Deep Cameo): Refers to the strong contrast between the frosted devices (portraits/letters) and the mirror-like fields (background).

First Strike: A collector-favored designation confirming the coin was produced and submitted early in the production cycle.