File:Traces of fossil shells2.jpg

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Description
English: Traces of fossil shells, in Vaires-sur-Marne, France
Français : Traces de coquillages fossiles, à Vaires-sur-Marne
Date
Source Own work
Author Tangopaso

Licensing[edit]

This work has been released into the public domain by its author, Tangopaso, at the [[::|English Wikipedia]] project. This applies worldwide.

In case this is not legally possible:
Tangopaso grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.


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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Date/TimeThumbnailDimensionsUserComment
current19:43, 13 June 2010Thumbnail for version as of 19:43, 13 June 20104,416 × 3,312 (2.31 MB)Tangopaso (talk | contribs)New images in a series and a new category
20:20, 31 May 2010Thumbnail for version as of 20:20, 31 May 20104,416 × 3,312 (3.38 MB)Tangopaso (talk | contribs)== {{int:filedesc}} == {{Information |Description={{en|1=Traces of fossil shells, in Vaires-sur-Marne, France}} {{fr|1=Traces de coquillages fossiles, à Vaires-sur-Marne}} |Source={{own}} |Author=Tangopaso |Date=2009-05-23 |Permission=

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