Guernsey Stamp Catalogues

Overview Guernsey Stamp Catalogues

Guernsey Stamp Catalogues (books)

Guernsey Stamp Auctions/Marketplaces

Catawiki

Ebay

Guernsey Online Stamp Catalogues

Michel (German/English) – Most complete online stamp catalogue with actual prices (subscription required)

Colnect (all language) – Colnect (premium) has auto-matching, best matches and an extensive free stamp catalogs