Image Date conventions for scans/copies?

Hello Aperturers;
Just searched for a few keywords without success. What I'm about to do is digitally photograph and scan old photo prints/news clips/negatives/slides for use in Aperture.
Some of the images don't have a date or a specific one. Say, an old family photo might not be marked at all, or only with a year, or one could guesstimate based on apparent ages of people in the photo.
I'd like as much as possible to have these digitized files line up in sequential order, and am wondering what techniques folks use to assign image dates, either changing EXIF in Aperture or adding IPTC fields.
For instance, if I decide an unmarked photo is from 1925, what month/date to use, or will Aperture accept blank month/date? If an image is from a known month/year, then what date?
Do veterans of this kind of work have a standardized date convention? ie if only the year is known or estimated, is Jan 1 or Dec 31 used? If only month is known, is the 15th used as the date, etc?
Thanks for the help,
dave.

My scanner produced files without exif data, and while Aperture will change exif data, it won't add it to files that do not have it.
I also wanted my scanned slides and negatives to sort by image date like the digital files.
There is an excellent donationware program for the mac called SetExifData (www.marc.vos.net). Use this program before importing the files into Aperture to assign image dates. It works well on batches.
My work flow was as follows: import a bunch of old scanned negatives of a tripor event into a project in Aperture. Use aperture to put them in the right order and then to rename the files with some incrementing naming scheme. Export the project to a folder. The Finder can now keep them in proper order because of the filename change. Use SetExifData to create the exif data and set the capture date to some arbitrarily increasing time/date so they will sort properly by image date. Then Import back into Aperture. They now get treated just like a file from a digital camera.
I've done this with thousands of old slides and negatives and once done it makes life a lot simpler.

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You've stumbled on two issues:
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I suggest you file a report at the Lightroom Feedback Forum, where Adobe wants all problems to be reported:
http://feedback.photoshop.com/photoshop_family/products/photoshop_family_photoshop_lightro om

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Hi,
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Hi @ramamurthy123,
Welcome to the HP Forums!
I noticed that your Scans/Copies print out as black sheets with no images on them. I am sorry to hear this, but happy to look into this issue for you!
For further assistance, I will require some additional information:
The Product/Model Number of your printer. Follow instructions in this link. Finding Your HP Product Model Number.
If you are using a Windows or Mac Operating System, and the version number. To find the exact version, visit this link. Whatsmyos.
If the printer is connected, Wireless, Ethernet, or USB.
If the printer is able to make copies.
If the power cable is plugged into a surge protector, or directly to the wall outlet. Issues when Connected to an Uninterruptible Power Supply/Power Strip/Surge Protector. This applies to Inkjet printers as well.
Please see this post, Want Good Answers? Ask Good Questions, by @Bob_Headrick, so you can get the most out of these forums.
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RnRMusicMan
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" to say “Thanks” for helping!

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Dear Meghanath,
Please use the following query, Hope your purpose will serve.
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Image Date conventions for scans/copies?

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