This sheet of 20 stamps features various insects and spiders from the United States, with a denomination of 33 cents per stamp. Each stamp is of mint quality and has never been hinged. The grade of the stamps is F/VF (Fine/Very Fine), making them a great addition to any stamp collection. The certification of the stamps is uncertified. The sheet is a must-have for collectors of stamps and lovers of insects alike. Free shipping is included with purchase.