由我国著名邮学家吴凤岗主编,北京市集邮协会编的《实用集邮辞典》第134页上有“邮资图”条目,内容如下: “印在邮制信封、明信片和邮简上的邮资图案称邮资图,按我国邮电部规定:此种邮资图只能作为该图的信封、明信片、邮简纳付邮资的凭证,剪下后另贴在其它邮件上无效。”在第135页上有“邮政明信片”条目,内容为: “即有邮政部门发行的明信 The article entitled “Postage Map” on page 134 of the “Practical Philatelic Dictionary” compiled by the famous postman of Fenggang in our country and edited by the Beijing Philatelic Society reads as follows: “Postage patterns printed on postal envelopes, postcards and postal articles The postage map, according to China’s Ministry of Posts and Telecommunications provides: The postage map can only be used as the envelope, postcards, postage stamp postage vouchers, cut off and post on other e-mail invalid. ”On page 135 “Postcards” entry, reads: "That is, the mail issued by the postal sector