M7001, Macau Postage Letter, Macau Map, 4 pcs different

M7001, Macau Postage Letter, Macau Map, 4 pcs different.

XF condition, please refer the picture.

Issued in 1970's to 1990's.  The picture is Macau Map. 

Please notice that these postage letter are in very large size. It had been folded into two halves to put into the letter.