Watermarks On Danzig Coat-Of-Arms Stamps

I am cataloging Danzig Coat-of-Arms stamps (Scott 168-192 and 225-232). The former are Wmk 109, the latter are Wmk 237. My dilemma is that I am finding neither watermark on some of the stamps, specifically orange ones (5pf, 15pf).

Between my two 15pf stamps, one clearly shows Wmk 109, while the other (to me) shows no watermark. And as the color of both stamps appears to be the same, that would indicate both being Sc 176, despite the apparent lack of watermark on one stamp.

Are there just some stamps where where watermark is so faint that it can not be seen? I am using "Drop-O-Mark" watermarking fluid. Might I have better luck with either Clarity or Ronsonol?

Thanks for the help.

Watermarks can be a bit of a bother to see on some colours but orange is typically not one of them. You could have stamps from the edge of a sheet?

Can you scan and post the watermark (from Scott)? I've experience with tricky contemporary watermarks from Latvia and Lithuania, so it would be nice to compare. Also, I don't do Scott but SG instead...!

This is opposite for US stamps, orange/yellow stamps are some of the most difficult to see the watermark.
Don

As far as I can tell from skimming that section in Michel, none of the issues of that design were printed without watermark. So, it's likely just really weak. If in doubt, it's probably the earlier watermark. The later swastika watermarks are generally very easy to see.

On early issues of South Georgia ,one watermark can be seen but the other needs a lot of work to find.

Right-o. I've managed to have a look at the watermarks on Stampworld.com. I'm walking in the Scottish mountains and reception isn't the best! The honeycomb watermarks (I assume wmk 109 you refer to) can be difficult to see but I would recommend you use Ronsonol or something similar. They can be weak as PostmasterGS writes, and a good fluid is essential.

Dining on roast grouse later? Very jealous.

Thanks for all of the helpful tips.

Yes, Wmk 109 is the Webbing watermark, and Wmk 237 is Swastikas. I have seen the swastikas watermark when cataloging German stamps, and it is typically easy to spot. But then on the stamps on which I can see the Wmk 109, it is very easy to see.

As I have plenty of other stamps to disposition, I will add these to my collection of mystery stamps and deal with them again when I have obtained Ronsonol.

Geoff, roast pork with veg and trimmings, apple pie, and copious 30 yr old Macallan. Perfick!

Have same problems identifying the watermarks in earlier stamps, even with Watermark fluid or lighter fluid - Danzig stamps -