MediaWiki:Apihelp-edit-param-starttimestamp
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10 PCS, 10cm x 10cm, 2 layers prototype for $38.80 shipped!
Timestamp when the editing process began, used to detect edit conflicts. An appropriate value may be obtained using curtimestamp when beginning the edit process (e.g. when loading the page content to edit).

10 PCS, 10cm x 10cm, 2 layers prototype for $38.80 shipped!