listed in one or more of the following catalogs:
1) Hartvigsen Illustrated Catalog of Scandinavian charity seals 1885-1919, English translation, 27 pages $4.00
2) Mosbaugh's Red Cross Seals of The World, 1984 Edition (current)............ $20.00
Mosbaugh's Red Cross Seals of The World, 1984 Edition (current), computer CD edition, pdf files $8.95
3) Nordic Christmas Seal Catalogue - available at Amazon.com
Hartvigsen
1905q No Gum $2.25