15 Japanese National Railways horizontal and vertical envelopes 5 types (3 types x 1 sheet, 1 type x 2 sheets, 1 type x 10 sheets) - 4 types are not standard envelopes but rare custom-made sizes and designs by JNR. - Marked with "紙xx" (paper xx) for management numbers of paper used in government offices, schools, and public corporations in the 1965-1974 period. - Includes notations of suppliers such as "高春堂" (Kōshundō), which was a supplier to government offices. - Includes notations such as "(51.10.高春堂)" indicating October 1976. ● Paper 45 (51.10. Kōshundō) 1 sheet Approx. 240mm x 332mm = Kakigata No. 2 (A4 envelope) ● Paper 43 (46.4 Imura Envelope Delivery) 1 sheet ● Paper 43 (50.11 Taiyo Bijutsu) 1 sheet Approx. 120mm x 275mm ● Paper 47 (54.5 Kōshundō Delivery) 1 sheet Approx. 267mm x 190mm ● Paper 48 (54.5. Tōyōkan Delivery) 10 sheets Approx. 270mm x 125mm ● Paper 49 (53.5. Kōshundō Delivery) 1 sheet Approx. 190mm x 125mm Slightly larger than the current Western No. 2 (162x114), large enough for foreign postcards. May have been unusual at the time. - There is paper yellowing, creases, and stains due to age. Shipping: Paper 45 will be sent rolled up as shown in photo 5. We will take care to avoid creases, but we apologize if it gets creased during transport.