Unoriginal Sins is an established venture trading in the field of the contemporary and modern avant garde movements from 1900 to the present day. We have a vast inventory of books, documents, artworks, ephemera, object multiples, LPs and other digital media as well as representing major collections from significant artists.

Unoriginal Sins trades almost entirely online – we purchase new material all the time and offer regular clients email lists (which you can sign up to here) of new arrivals. Soon after the distribution of those lists, new items are placed online so it is worth returning regularly to this site to see what new things are for sale.

It may be possible to visit in person and see our inventory but that is by appointment only – please email us. We can supply references for new clients should that be required.

We are always looking for new material to add to our stocks – we have a desiderata here but we are interested in all material that is similar to our core interests. Do get in touch.