Le 10 collotipie olandesi qui presentate erano prodotte e commercializzate dalla "Librairie Royale
Neerlandaise De M.M. Couvée , Fournisseur de la Famille Royale", e risalgono
all'ultimo decennio del XIX secolo; mentre le 5 collotipie di Londra erano
prodotte e commercializzate da "Rommler & Jones Photographers and Publishers
Dresden", e risalgono al 1893.

The ten Dutch collotypes presented here were produced and sold by the "Librairie Royale
Neerlandaise De M.M. Couvée , Fournisseur de la Famille Royale", and are from
the last decade of the XIX century. The five collotypes of London were produced
and sold by "Rommler & Jones Photographers and Publishers
Dresden", and are from 1893.