- 1
telegraph marker, PPP-PMM TM 1
Post Office Telegraphs - 2telegraph marker, PPP-PMM TM 3
Post Office Telegraphs - 3telegraph marker, PPP-PMM TM 2
Post Office Telegraphs - 4telegraph marker, PPP-PMM TM 4
Post Office Telegraphs - 5telegraph marker, PPP-PMM TM 5
Post Office Telegraphs - 6telegraph marker, PPP-PMM TM 6
Post Office Telegraphs - 7telegraph marker, PPP-PMM TM 7
Post Office Telegraphs - 8telegraph marker, PPP-PMM TM 8
Post Office Telegraphs - 9telegraph marker, PPP-PMM TM 9
Post Office Telegraphs - 10telegraph marker, PPP-PMM TM 10
Post Office Telegraphs