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).
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
2008-08-07 00:07 Secretservgy 800×600× (254044 bytes) Self Taken Ronnie O.
Captions
Add a one-line explanation of what this file represents
Items portrayed in this file
depicts
Fatalii
copyright status
copyrighted
copyright license
Creative Commons Attribution 3.0 Unported
inception
7 August 2008
captured with
Canon PowerShot A550
File history
Click on a date/time to view the file as it appeared at that time.
{{BotMoveToCommons|en.wikipedia|year={{subst:CURRENTYEAR}}|month={{subst:CURRENTMONTHNAME}}|day={{subst:CURRENTDAY}}}} {{Information |Description={{en|Self Taken Ronnie O.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia]; transferred to
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):