Nice album! Source of the following info:
http://www.925-1000.com/forum/viewtopic.php?f=38&t=30091&start=35Parkins & Gotto - London - 1897
Parkins & Gotto were established in the 1840's, their original location being noted as 2, Hanway Street, Oxford Street, London. In the 1850's they removed to 23 & 25, Oxford Street and in 1891 they were recorded at 54, 56, 58, 60 & 62, Oxford Street. The firm was most noted for the huge variety of quality stock that it carried.
Following the death of the original Mr. Gotto in 1892, the firm passed to his son, Henry Gaisford Gotto, but he died in 1894 and the business passed to Christopher Lamb Gotto. In 1913 they were noted at 96, Oxford Street, and in 1916 at 167, Oxford Street.
Parkins & Gotto entered their first marks 'HGG' (Henry Gaisford Gotto) contained within an oblong punch with clipped corners, at the London Assay Office on the 20th February 1891, a similar mark were entered on the 31st May 1892. Their second set of marks 'CLG' (Christopher Lamb Gotto) contained within an oblong punch with clipped corners, were entered on the 18th May 1894.