Math & Physics Coins
Exact speed of light in a vacuum: 299,792,458 m/s

Obverse:

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Reverse:

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Coin Details

Origin/Country: NIUE Pacific Ocean
Design Description: Speed of Light in a vacuum, c = 299,792,458 m/s exactly
Item Description: Ag .999, 2 oz. S$2 2016MW MW SPEED OF LIGHT KM# 1385
Full Grade: NGC PF 69 ANTIQUED
Owner: JKMulcahey

Set Details

Custom Sets: Math & Physics Coins
Competitive Sets: This coin is not competing in any sets.
Research: NGC Coin Price Guide
NGC World Coin Census

Owner Comments:

The length of a meter was adjusted to make the speed of light in a vacuum in meters per second come out exactly to an integer: 299,792,458.00000... m/s.

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