Bidspirit auction | 1951 25 Prota Catalog No.
1951 25 Prota Catalog No. 53 JNF stamp Block of 6 stamps on first day cover, stamp middle bottom row large round stain.
1951 25 Prota Catalog No. 53 JNF stamp Block of 6 stamps on first day cover, stamp middle bottom row large round stain.