Bodies
RRP - R.R. Paton, Cardiff
CBD - The Coalbrookdale Co., Ltd. Shropshire
SIK R - If it is SIK, it could be Sinclair Iron Co. Ketley, Wellington, Shropshire. who were casters, but this doesn't explain the elaborate 'R.' 'R' could be Rattray & Co., Ltd. Parliamentary Road, Middx.
41 - Pattern casting number
'C' within a lozenze - Crane Ltd., Ipswich
V & F - no trace
IBR - Ideal Boilers and Radiators, Hull
M P S - might be - Medway Paper Sacks,
PB & Co. - Platt Bros Co., Ltd. Oldham, Lancs
Tails
?? - as yet unknown
HC - might be Hercules Cycles, but I suspect an examiner's stamp
R&M - Rigby & Mellor Ltd. Bury
REL - Revo Electric Co., Ltd. Tipton.
TimG