Long-term storage item, only displayed. The bottom reads: caithnes swish scotland 1269963 (This is what I can read, so accuracy is uncertain) Search Results: It is likely a glass paperweight from Caithness Glass. Caithness is a Scottish glass manufacturer, particularly known for its paperweights. The bottom of the paperweight usually has information such as the name and limited edition number. Some Caithness products are popular with collectors and have value. The value varies depending on the rarity of the design and the condition.