极限明信片 meaning in Chinese

maximum card

Serviced maximum card set ( affixed with a set of 4 stamps ) ( cancelled by special postmark ,
00 (一套) 5套贴有一套四款邮票并以特别邮戳盖销的极限明信片套装
Serviced maximum card set ( affixed with a set of 4 stamps ) ( cancelled by special postmark , only available at 39 philatelic offices on 15 january 2006 )
贴有一套四款邮票并以特别邮戳盖销的极限明信片套装（只于二六年一月十五日在39间集邮局发售）