Xenopus laevis design

(See all uses as list)

Tanzania 12/29/1995 200sh issue=Frogs 1995 dt=frogs (1995) perf=12.25x12

Palau 3/19/1999 33c issue=Endangered Species 1999 perf=13

Comoro Islands 3/2/2009 200fr issue=Frogs and Toads perf=13

Sierra Leone 3/25/2011 4000le issue=Frogs of Africa 2011 dt=frogs of Africa perf=13

Burundi 12/1/2011 3000fr issue=Frogs 2011 dt=frogs (2011 Burundi)