Wikipedia

File:Smartcardchip no text.jpg

Smartcardchip_no_text.jpg (600 × 600 pixels, file size: 180 KB, MIME type: image/jpeg)

Description A modified version of File:Smart_card_chip_on_penny.JPG, with text removed.
Date
Source Own work; File:Smart_card_chip_on_penny.JPG
Author B7342
Permission
(Reusing this file)
Public domain This work has been released into the public domain by its author, B7342 at English Wikipedia. This applies worldwide.
In some countries this may not be legally possible; if so:
B7342 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Other versions File:Smart_card_chip_on_penny.JPG


This image has currency in it to indicate scale.

Using coins for scale is discouraged as it will require people unfamiliar with them to look up the dimensions or guess, both of which defeat the purpose of the object in the first place. Coins can also reinforce a geographical bias, and some coins' designs are copyrighted.

Ideally, a photograph should include a ruler with the subject (example) or an added scale marking. SI ("metric") units are the most commonly used worldwide (see meter and centimeter).

Images with coins to indicate scale

Common coin diameters for reference:

  • U.S. dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.21 mm, 0.84 in
    • 10¢: 17.91 mm, 0.71 in
    • 25¢: 24.26 mm, 0.94 in
    • 50¢: 30.61 mm, 1.22 in
    • $1: 26.5 mm, 1.02 in
  • Canadian dollar (as of?):
    • 1¢: 19.05 mm, 0.75 in
    • 5¢: 21.2 mm, 0.83 in
    • 10¢: 18.03 mm, 0.71 in
    • 25¢: 23.88 mm, 0.94 in
    • 50¢: 27.13 mm, 1.07 in
    • $1: 26.5 mm, 1.02 in
    • $2: 28 mm, 1.1 in
  • Pound sterling as of 2021:
    • 1p: 20.32 mm, 0.8 in
    • 2p: 25.91 mm, 1.02 in
    • 5p: 18 mm, 0.71 in
    • 10p: 24.5 mm, 0.96 in
    • 20p: 21.4 mm, 0.84 in
    • 50p: 27.3 mm, 1.07 in
    • £1: 23.03–23.43 mm, 0.91–0.92 in
    • £2: 28.4 mm, 1.12 in
  • Euro as of 2002:
    • 1c: 16.25 mm, 0.64 in
    • 2c: 18.75 mm, 0.74 in
    • 5c: 21.25 mm, 0.84 in
    • 10c: 19.75 mm, 0.78 in
    • 20c: 22.25 mm, 0.88 in
    • 50c: 24.25 mm, 0.95 in
    • €1: 23.25 mm, 0.92 in
    • €2: 25.75 mm, 1.01 in

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inception

25 January 2009

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Date/TimeThumbnailDimensionsUserComment
current22:41, 29 January 2010Thumbnail for version as of 22:41, 29 January 2010600 × 600 (180 KB)BeaoTweak.
19:42, 28 January 2010Thumbnail for version as of 19:42, 28 January 2010600 × 600 (146 KB)Kingpin13just remove some faded text in the top left corner since I'm a perfectionist ;)
19:30, 25 January 2010Thumbnail for version as of 19:30, 25 January 2010600 × 600 (84 KB)Contains Mild Peril{{Information |Description=A modified version of the Wikipedia file Smartcardchip.JPG, with text removed. |Source=http://en.wiki.x.io/wiki/File:Smartcardchip.JPG |Date=2009-01-25 |Author=B7342 (Wikipedia) |Permission={{PD|date=October 2008}} |other_ve

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