Picture Post: Indeed it is. If the numbers on the box are the manufacturing numbers, I am the 16,608th @Pebble to be made. Stephen Weber 13 years ago Posted by Instagrate to WordPress Share this: Share on Bluesky (Opens in new window) Bluesky Share on Mastodon (Opens in new window) Mastodon Share on Facebook (Opens in new window) Facebook More Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print Picture Post: ISBN numbers are cool. Serial numbers are cooler.DateMarch 14, 2020In relation toPicture PostPicture Post: Accidentally sequential train numbers. #gobystreetcar #pdxDateMay 9, 2017In relation toPicture PostPicture Post: Looks like HOP validators have serial numbers now. #trimetDateMarch 30, 2017In relation toPicture Post