LSAD 1, 2, 2a, 3, 3A, 4-6++ (11 unused, 11 used, 2 specimens, and 1 used for accounting). This is the 16-page single-frame exhibit of "The Non-Denominated Domestic Air Letter Sheets of China (1948-1956) - written up in the 6/2023 American Philatelist. It is the definitive showing of these issues and has received APS WSP Large Gold Awards and an APS WSP Single-Frame Grand Award. It includes (i) a double overprinted first print sheet; (ii) 3 of the letter sheets not restricted for use in Taiwan: 1 mint, 1 used, and 1 specimen (only example in private hands); (iii) 2 first print sheets sent internationally without PRC obliteration, one franked with Liberated Area stamps; and (iv) a mint first print sheet with PRC obliteration, the discovery copy. Do email a request to see PDFs of the full exhibit and the article.