Denmark might have got a bike for German market? Or someone imported it to Denmark from Germany as a used bike?
Check CMSNL for the parts on the bike
Here is the rear lamp with blinkers
https://www.cmsnl.com/honda-cb750k1-germany_model14356/partslist/F35.html#resultsEverything else:
https://www.cmsnl.com/honda-cb750k1-germany_model14356/partslist/Let the bike look as it does since it can be how it should look like

Keep the Koni shocks or use new good ones.
Honda std shocks is CRAP.
I'm happy to be alive to talk about it. I remember many times I was close to make a serious accident due to bad handling, the Honda shocks had a big part of it. 2-3 first seasons, then similar Koni shocks as you have in 1-2 seasons when I purchased new Marzocchi AG Strada which were used until bike was long time stored. I'll restore them to another bike.
Those Koni can probably be restored.
I have Ikon shocks now since my old Stradas began to leak first season when back on the road again 2014, modern type of Koni since Koni sold the design to a company on New Zeeland...
Use these if you want to replace the shocks.
http://www.ebay.de/itm/Honda-CB-750-Four-K0-K1-K2-K6-IKON-KONI-Chrom-Stosdampfer-Chrome-Rear-Shocks/401259802637Then old style steering damper. My bike must have it to maintain stability. If you will ride according to the speed limits, not needed
Except on tour in the alps, riding uphill with a lot of luggage and a passenger, accelerating in low speed very careful to avoid wheelies, front end will be very nervous.
My did, steering damper controlled it as well as a close flying off the road in Jugoslavia. We rode (me + girlfriend) very slow for long time until we had to pass 2 cars with caravans driving slooowly. Finally a chance with a straight road going downhill, quick bypass of the 2 cars with caravans after each other that made me to twist the throttle so we passed the last one in around 170-180kmh and the road threw a corner right in my face short thereafter. CB750 brakes did not exist then so I used what I had + gearing down and did the really sharp corner up in the mountains, today Slovenia.
Honda shocks and no steeering damper...no. I should not have done it. 2 deaths plus my bike still as a wreck in the bottom of a ravine hundreds of meters down should be the result...
The bike had 836 and more with +80rwhp so handling was needed
http://www.ebay.ph/itm/HONDA-1969-1976-CB750K-STEERING-DAMPER-OIL-DAMPER-7-STEPS-MADE-IN-JAPAN-F074-/142376282983Only instabilty my CB750 K6 suffers from now is worn flat rear tire causing snaky rear movements when leaning the bike and passsing over the white lines. Today even more power
