unifix coach screws

[user 19915]

I have been trying to google these boxes of screws but can;t find them does any one know what they are worth;; again these came with the other items i bought at the local auction site i have 1850 all together and was wondering what to sell them for to get some money back that i spent today
Alan

 

[NazNomad]

Box of 200 is just under 14 Euro on an Italian site. https://www.onlinestore.it/79940/unifix ... -mm-200-pz

The 0192-6-80-01 is the code I can see on the 2nd photo.