Yes, the slide boxes are a common request here. As your ebay auction proves, they are quite expensive these days. With regards to processing, it became prohibitively expensive to continue to post out slides in these boxes.
Slide processing has seen more than it's fair share of changes over the years. Unfortunately, the majority of the changes have been forced upon labs.. ultimately due to a diminishing user base.
Film is no longer produce, bought, sold or processed in the same volumes. This has had an impact on the R&D for machinery such as slide mounters.
In the last 4 years alone, the manufacturer of our slide mounting machine (who also produced our mounts) exited the market in favour of producing packaging (or more specifically bags of air used as packing).
Their machine was a very nice piece of equipment, but...... would only print the frame number upside down (for use in an enlarger). Due to the machine sleeving the mounts into plastic pockets (a viable alternative to the slide boxes as sleeving is much smaller and therefore costs less to post), users would rotate the strip of sleeves resulting in all the slides slipping out onto the floor.
We sent out a questionnaire and the majority of users opted to have no numbers on the slides (rather than a number which was upside down that led to spilling out the slides).
You might at this point wonder why we bought this machine in the first place. Well, as no money was put into R&D, it meant existing technology would not be improved. Over the years mounting machines wear out and parts (or even sometimes individuals with the knowledge to service the machines) are no longer available. The only choice then is to consider what is on the market that can fulfil the volume required.
We were first made aware of the company's transition to packaged air when our mounting machine started to have issues. At this point we had thousands of slides, a broken machine and an apology that nothing could be done to fix our mounting machine.
Together with Fuji, we arranged to visit another manufacturer (in Germany) and found that their slide mounting machine was not compatible with the slides we had been using. Their machine had no facility to print any information onto the slides, not even the date. After a discussion with Fuji, we purchased this new mounting machine as it was the only one commercially available that i) would cope with the volume we required ii) had an abundant supply of compatible mounts iii) was still serviceable.
Our next problem was what to do with the mounted slides.
If you're still reading (thumbs up!) and interested, I can post what happened next.
Chris.