I've just listed on Ebay some very nice & rare NOS items, all of which feature the early-style "Eddy Merckx" pantographing, including:
NOS Campy SR 53t Chainring.
NOS Cinelli 130mm 1R stem
NOS Campy NR Brake Levers
NOS Silca Impero Frame Pump w/Chrome Finish (yes, panto'd w/"Eddy Merckx!)
Also listed:
Used 3t Stem, 120mm in black w/later "Eddy Merckx" style pantographing.
NOS Milremo 165mm cottered 5-pin cranks w/48t Milremo chainring.
Please search under Ebay seller's name of "bitsandbobs77". Many thanks.
Dave Patrick
Chelsea, Michigan