cover -- 1935-37, a group of three stationery cards with 1935 (1 May) 6f. card from Harbin to Shanghai (name and yeardate covered by ink stroke) bearing a smudged strike of "This office pays for the postage of this article which bears invalid stamps. Remittance and Transfer Office at Shanhaikwan"; 1936 (5 Mar.) 1½f. card from Nansuichung to Peiping bearing a faint strike of a three-line boxed h.s. (not listed by Chang) with 1c. Postage Due and Linyu tax mark; 1937 (7 Jan.) 1½f. card with additional 1f. from Chinhsin to Peiping showing a good strike of the three-line Shanhaikwan h.s. in violet. (3)

Details
cover -- 1935-37, a group of three stationery cards with 1935 (1 May) 6f. card from Harbin to Shanghai (name and yeardate covered by ink stroke) bearing a smudged strike of "This office pays for the postage of this article which bears invalid stamps. Remittance and Transfer Office at Shanhaikwan"; 1936 (5 Mar.) 1½f. card from Nansuichung to Peiping bearing a faint strike of a three-line boxed h.s. (not listed by Chang) with 1c. Postage Due and Linyu tax mark; 1937 (7 Jan.) 1½f. card with additional 1f. from Chinhsin to Peiping showing a good strike of the three-line Shanhaikwan h.s. in violet. (3)