There aren't very many like that...only the earliest guns, then Ruger decided to add the "All-Weather" to the rollmark. Here's what I've noted on them in the "Reference of Ruger Firearms"...
K77/22RP and K77/22RSP with green stock inserts and without "ALL-WEATHER" rollmark on the left side of...
https://www.gunsinternational.com/guns-for-sale-online/rifles/ruger-rifles-77/ruger-m77-284-winchester-40-flat-bolt-41-.cfm?gun_id=101765316
The gun above is curious to me as it appears to be a M77V, has screws in barrel ahead of receiver, is flatbolt chambered in .284 Winchester...