GERMANY 1998 Berlin & Bonn FDC Pair Weltnaturerbe der UNESCO Grube Messel 20-08-1998
Beautiful Clean First Day Covers.
PLEASE NOTE: FDC are not sent in the plastic cover as in the image (postage is too expensive)
Please also see my U.K. ebay site:
https://www.ebay.co.uk/usr/first-day-covers-and-stamps