Type 65

This underprint is believed to be from the firm G. Hitchcock, Williams & Co.  They were manufacturers of Mantles, Costumes and Millinery.

They operated from:

    72 St. Paul's Churchyard,
    London E. C.

A Post Office Commercial Directory of 1865 lists them as:

“Hitchcock (George), Williams & Co. warehousemen, wholesale & retail silk mercers, linendrapers, shawlmen, hosiers, haberdashers & lacemen, 72, 73 & 74 St. Paul’s churchyard EC; 45 & 46 Paternoster row EC, & 1 & 2 Londonhouse yd EC”

1866. Unofficial underprint type 65 (over the gum) in black.

a)  Vertical underprint, reading upwards

PP218 1/2d rose-red (SG 48 or G4)
Plate 3

PP219 1d lake-red (SG 43 or G1)
Plates 100, 101, 102, 103, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 127, 129, 130, 131, 132, 133, 134, 135, 136, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 172, 174 and 177

PP220 2d blue (SG 46 or G3)
Plate 13