Hi Hazel, it would be nice to see the signature anyway as not all of us know what 'other Nuutajarvi signatures' look like, some members are very new and these later posts are the ones they will be learning from.
If you take the bowl from an ordinary incandescent light (or daylight) into a room with neon lighting like a kitchen fluorescent light, or even an energy saving light bulb, you will see the colour change from pink to a lavender blue if the glass is neodymium.
Also, if you put the pictures onto this link instead of linking to your picasa album, we can see the pictures as we read your text, and quickly refer back as new replies are added to the thread.
What a lot of advice from a relative newbie....... but it does look a lovely bowl and I am sure you will get lots of info from other members.