Coins of Livonia, Riga and Plettenburg 1530/40s - Anyone know much about them?

An antiques dealer has left me with 8 coins from the above Countries/States and asked me to sell them for her. (She bought them years ago as part of a larger lot, but her shop gets no buyers for this sort of thing!)
Someone has done quite a bit of research using Numista to identify them, and they look in excellent condition. Ebay does not seem to have much back this early.
I have not photo'd them yet - need to know if they are worth the effort first!
Quick Summary:
Livonia Confederation Schilling 1536
Archbishopric of Riga Schilling 1540
Livonian Order Schillings 1539, 1541 and 1547
Riga - Walter von Plettenberg Schillings 1533, 1533 and 1534

Anyone know much about these? What are they likely to be worth? Anyone interested enough to make it worth photographing them all?

 

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let see pics of them

 

OK, here they are:
Livonia Schilling:

Riga Bishopric:

Livonia Order:

Riga Plettenberg:

All ID done by someone else. The top of the three under Plettenberg seems to be different so I suspect is wrong.

 

I've never even heard of these states/countries. Cool looking coins, though.

 

Livonia schilling is from Reval (modern day Tallinn). 1536. Ruler Hermann Brüggenei-Hasenkamp. Probably Haljak-140d. XF/VF/F/VG: 150/75/35/17

Riga Bishopric (Archbishopric actually) schilling. Ruler Thomas Schöning. 1540. Haljak-798. 80/40/20/10

Livonian Order, 1539 is also from Reval. Probably Haljak-145a. 50/25/12/6

Livonian Order, 1541 is from Reval. Probably Haljak-148a. 50/25/12/6

Livonian Order, 1547 is actually 1542. They didn't make any 1546 or 1547. It may be some undiscovered variety, because it has inverted N instead of normal N in MONE, and no + or o before 42. All dies were hand made, so new varieties are no big surprise. Still cool. Anyway, similar to Haljak-150a, 150b and 151.

Plettenberg schilling 1534. Probably Haljak-268a. 200/100/50/25
Plettenberg schilling 1533 (dot after date) - Haljak-267. 60/30/15/7
Plettenberg schilling 1533 (without dot) - Haljak-266. 70/35/17/8

But of course, nobody can guarantee these prices. The market for these is very thin.

 

Thank you @muhfff for all that! Certainly helps enormously. I have been in discussion with Dix Noonan and Webb (Coin auctioneers) in London and we will probably be submitting them for auction there. As you say, buyers for Livonian coins are pretty thin on the ground, particularly in rural England!