Blank Greeting Cards, 4 1/4"x5 1/2". Ernst Haekel was a renowned German biologist, naturalist, philosopher, physician, professor and artist who was particularly adept at drawing jelly fish. One Christmas he combined his natural talents with a seasonal greeting and came up with a series of somewhat unique Christmas cards! No one else you know will send a card like this! You can order a mixed selection of any cards you want: Five cards for just $12.00: https://www.etsy.com/listing/108203964/five-unique-greeting-cards or: Ten cards for just $15.00: https://www.etsy.com/listing/125836621/ten-unique-greeting-cards?ref=shop_home_active